diff --git a/Cargo.lock b/Cargo.lock
index 9da9821f..d7300fd0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -186,7 +186,7 @@ version = "0.4.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b37fc50485c4f3f736a4fb14199f6d5f5ba008d7f28fe710306c92780f004c07"
 dependencies = [
- "bzip2",
+ "bzip2 0.5.2",
  "flate2",
  "futures-core",
  "memchr",
@@ -418,9 +418,9 @@ dependencies = [
 
 [[package]]
 name = "aws-sdk-s3"
-version = "1.83.0"
+version = "1.85.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51384750334005f40e1a334b0d54eca822a77eacdcf3c50fdf38f583c5eee7a2"
+checksum = "d5c82dae9304e7ced2ff6cca43dceb2d6de534c95a506ff0f168a7463c9a885d"
 dependencies = [
  "aws-credential-types",
  "aws-runtime",
@@ -918,6 +918,31 @@ dependencies = [
  "piper",
 ]
 
+[[package]]
+name = "bon"
+version = "3.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f61138465baf186c63e8d9b6b613b508cd832cba4ce93cf37ce5f096f91ac1a6"
+dependencies = [
+ "bon-macros",
+ "rustversion",
+]
+
+[[package]]
+name = "bon-macros"
+version = "3.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40d1dad34aa19bf02295382f08d9bc40651585bd497266831d40ee6296fb49ca"
+dependencies = [
+ "darling",
+ "ident_case",
+ "prettyplease",
+ "proc-macro2",
+ "quote",
+ "rustversion",
+ "syn",
+]
+
 [[package]]
 name = "boxcar"
 version = "0.2.11"
@@ -943,12 +968,6 @@ version = "3.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf"
 
-[[package]]
-name = "bytecount"
-version = "0.6.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ce89b21cab1437276d2650d57e971f9d548a2d9037cc231abdc0562b97498ce"
-
 [[package]]
 name = "byteorder"
 version = "1.5.0"
@@ -960,6 +979,9 @@ name = "bytes"
 version = "1.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d71b6127be86fdcfddb610f7182ac57211d4b18a3e9c82eb2d17662f2227ad6a"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "bytes-utils"
@@ -980,6 +1002,15 @@ dependencies = [
  "bzip2-sys",
 ]
 
+[[package]]
+name = "bzip2"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bea8dcd42434048e4f7a304411d9273a411f647446c1234a65ce0554923f4cff"
+dependencies = [
+ "libbz2-rs-sys",
+]
+
 [[package]]
 name = "bzip2-sys"
 version = "0.1.13+1.0.8"
@@ -1061,9 +1092,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.39"
+version = "4.5.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd60e63e9be68e5fb56422e397cf9baddded06dae1d2e523401542383bc72a9f"
+checksum = "40b6887a1d8685cebccf115538db5c0efe625ccac9696ad45c409d96566e910f"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -1082,9 +1113,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.39"
+version = "4.5.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89cc6392a1f72bbeb820d71f32108f61fdaf18bc526e1d23954168a67759ef51"
+checksum = "e0c66c08ce9f0c698cbce5c0279d0bb6ac936d8674174fe48f736533b964f59e"
 dependencies = [
  "anstream",
  "anstyle",
@@ -1094,18 +1125,18 @@ dependencies = [
 
 [[package]]
 name = "clap_complete"
-version = "4.5.48"
+version = "4.5.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be8c97f3a6f02b9e24cadc12aaba75201d18754b53ea0a9d99642f806ccdb4c9"
+checksum = "aad5b1b4de04fead402672b48897030eec1f3bfe1550776322f59f6d6e6a5677"
 dependencies = [
  "clap",
 ]
 
 [[package]]
 name = "clap_complete_nushell"
-version = "4.5.5"
+version = "4.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6a8b1593457dfc2fe539002b795710d022dc62a65bf15023f039f9760c7b18a"
+checksum = "cdb8335b398d197fb3176efe9400c6c053a41733c26794316c73423d212b2f3d"
 dependencies = [
  "clap",
  "clap_complete",
@@ -1113,9 +1144,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.5.32"
+version = "4.5.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09176aae279615badda0765c0c0b3f6ed53f4709118af73cf4655d85d1530cd7"
+checksum = "d2c7947ae4cc3d851207c1adb5b5e260ff0cca11446b1d6d1423788e442257ce"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -1480,6 +1511,16 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "diffy"
+version = "0.4.2"
+source = "git+https://github.com/prefix-dev/diffy.git?branch=master#da81bf4ceb4a5b9e6f9c43616a4a74aabf50a29b"
+dependencies = [
+ "nu-ansi-term 0.50.1",
+ "strsim",
+ "thiserror 2.0.12",
+]
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -1510,7 +1551,7 @@ dependencies = [
  "libc",
  "option-ext",
  "redox_users",
- "windows-sys 0.59.0",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -1545,6 +1586,12 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "92773504d58c093f6de2459af4af33faa518c13451eb8f2b5698ed3d36e7c813"
 
+[[package]]
+name = "dyn-clone"
+version = "1.0.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c7a8fb8a9fbf66c1f703fe16184d10ca0ee9d23be5b4436400408ba54a95005"
+
 [[package]]
 name = "ecdsa"
 version = "0.14.8"
@@ -1714,7 +1761,7 @@ dependencies = [
 [[package]]
 name = "fancy_display"
 version = "0.1.0"
-source = "git+https://github.com/prefix-dev/pixi?branch=main#1ca9578b0ad73dbd5a889849f3bff47ddb91a81f"
+source = "git+https://github.com/prefix-dev/pixi?branch=main#d5e6c4513e99bec71e807e00f8afd1ba4358c749"
 dependencies = [
  "console",
 ]
@@ -1737,9 +1784,9 @@ dependencies = [
 
 [[package]]
 name = "file_url"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46ca1565923e8d9bcf962889abeeb2f15d4b73356689ce26ae7dd1f54b928498"
+checksum = "b6e6bbcc80ea90b1924156b36e41b1ac75170580fff3b26fb6724c306538312b"
 dependencies = [
  "itertools 0.14.0",
  "percent-encoding",
@@ -1768,11 +1815,12 @@ checksum = "1d674e81391d1e1ab681a28d99df07927c6d4aa5b027d7da16ba32d1d21ecd99"
 
 [[package]]
 name = "flate2"
-version = "1.1.1"
+version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ced92e76e966ca2fd84c8f7aa01a4aea65b0eb6648d72f7c8f3e2764a67fece"
+checksum = "4a3d7db9596fecd151c5f638c0ee5d5bd487b6e0ea232e5dc96d5250f6f94b1d"
 dependencies = [
  "crc32fast",
+ "libz-rs-sys",
  "miniz_oxide",
 ]
 
@@ -1808,9 +1856,9 @@ dependencies = [
 
 [[package]]
 name = "fs-err"
-version = "3.1.0"
+version = "3.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f89bda4c2a21204059a977ed3bfe746677dfd137b83c339e702b0ac91d482aa"
+checksum = "88d7be93788013f265201256d58f04936a8079ad5dc898743aa20525f503b683"
 dependencies = [
  "autocfg",
  "tokio",
@@ -1990,9 +2038,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73fea8450eea4bac3940448fb7ae50d91f034f941199fcd9d909a5a07aa455f0"
+checksum = "26145e563e54f2cadc477553f1ec5ee650b00862f0a58bcd12cbdc5f0ea2d2f4"
 dependencies = [
  "cfg-if 1.0.0",
  "js-sys",
@@ -2008,17 +2056,6 @@ version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
 
-[[package]]
-name = "gitpatch"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ce212119eb3801015ea7e8bfb78f029ca16805de0d808358c080ff55ecbe675"
-dependencies = [
- "chrono",
- "nom",
- "nom_locate",
-]
-
 [[package]]
 name = "glob"
 version = "0.3.2"
@@ -2052,9 +2089,9 @@ dependencies = [
 
 [[package]]
 name = "goblin"
-version = "0.9.3"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "daa0a64d21a7eb230583b4c5f4e23b7e4e57974f96620f42a7e75e08ae66d745"
+checksum = "0e961b33649994dcf69303af6b3a332c1228549e604d455d61ec5d2ab5e68d3a"
 dependencies = [
  "log",
  "plain",
@@ -2063,44 +2100,70 @@ dependencies = [
 
 [[package]]
 name = "google-cloud-auth"
-version = "0.17.2"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e57a13fbacc5e9c41ded3ad8d0373175a6b7a6ad430d99e89d314ac121b7ab06"
+checksum = "0bd58406d918ffb345f0482c1e9a9794a5836169581ecc4dcb6c02330fefdc72"
 dependencies = [
  "async-trait",
- "base64 0.21.7",
- "google-cloud-metadata",
- "google-cloud-token",
- "home",
- "jsonwebtoken",
+ "base64 0.22.1",
+ "bon",
+ "google-cloud-gax",
+ "http 1.3.1",
  "reqwest",
+ "rustls 0.23.26",
+ "rustls-pemfile 2.2.0",
  "serde",
  "serde_json",
- "thiserror 1.0.69",
+ "thiserror 2.0.12",
  "time",
  "tokio",
- "tracing",
- "urlencoding",
 ]
 
 [[package]]
-name = "google-cloud-metadata"
-version = "0.5.1"
+name = "google-cloud-gax"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d901aeb453fd80e51d64df4ee005014f6cf39f2d736dd64f7239c132d9d39a6a"
+checksum = "d2dad82102be3d1052c43950c1ded1641edd08d8ec066af306012e4f71826991"
 dependencies = [
- "reqwest",
- "thiserror 1.0.69",
+ "base64 0.22.1",
+ "bytes",
+ "futures",
+ "google-cloud-rpc",
+ "google-cloud-wkt",
+ "http 1.3.1",
+ "pin-project",
+ "rand 0.9.1",
+ "serde",
+ "serde_json",
  "tokio",
 ]
 
 [[package]]
-name = "google-cloud-token"
-version = "0.1.2"
+name = "google-cloud-rpc"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f49c12ba8b21d128a2ce8585955246977fbce4415f680ebf9199b6f9d6d725f"
+checksum = "f42736ae792ea662facb2841a573e281f32a3a161a99fc342c6aef9738f2dfb0"
 dependencies = [
- "async-trait",
+ "bytes",
+ "google-cloud-wkt",
+ "serde",
+ "serde_json",
+ "serde_with",
+]
+
+[[package]]
+name = "google-cloud-wkt"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5dfd0127a9a4b436e7f2f72db309e8199b4eba248bc602dda9a82ae9e339742c"
+dependencies = [
+ "base64 0.22.1",
+ "bytes",
+ "serde",
+ "serde_json",
+ "serde_with",
+ "thiserror 2.0.12",
+ "time",
 ]
 
 [[package]]
@@ -2126,7 +2189,7 @@ dependencies = [
  "futures-sink",
  "futures-util",
  "http 0.2.12",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "slab",
  "tokio",
  "tokio-util 0.7.15",
@@ -2145,7 +2208,7 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "http 1.3.1",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "slab",
  "tokio",
  "tokio-util 0.7.15",
@@ -2154,11 +2217,11 @@ dependencies = [
 
 [[package]]
 name = "halfbrown"
-version = "0.2.5"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8588661a8607108a5ca69cab034063441a0413a0b041c13618a7dd348021ef6f"
+checksum = "aa2c385c6df70fd180bbb673d93039dbd2cd34e41d782600bdf6e1ca7bce39aa"
 dependencies = [
- "hashbrown 0.14.5",
+ "hashbrown 0.15.3",
  "serde",
 ]
 
@@ -2173,10 +2236,6 @@ name = "hashbrown"
 version = "0.14.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
-dependencies = [
- "ahash",
- "allocator-api2",
-]
 
 [[package]]
 name = "hashbrown"
@@ -2189,15 +2248,6 @@ dependencies = [
  "foldhash",
 ]
 
-[[package]]
-name = "hashlink"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ba4ff7128dee98c7dc9794b6a411377e1404dba1c97deb8d1a55297bd25d8af"
-dependencies = [
- "hashbrown 0.14.5",
-]
-
 [[package]]
 name = "hashlink"
 version = "0.10.0"
@@ -2215,15 +2265,15 @@ checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
 [[package]]
 name = "hermit-abi"
-version = "0.3.9"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
+checksum = "fbf6a919d6cf397374f7dfeeea91d974c7c0a7221d0d0f4f20d859d329e53fcc"
 
 [[package]]
 name = "hermit-abi"
-version = "0.4.0"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbf6a919d6cf397374f7dfeeea91d974c7c0a7221d0d0f4f20d859d329e53fcc"
+checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
 
 [[package]]
 name = "hex"
@@ -2330,6 +2380,19 @@ dependencies = [
  "time",
 ]
 
+[[package]]
+name = "http-range-client"
+version = "0.9.0"
+source = "git+https://github.com/pka/http-range-client.git#b3ab3efd54b657f728686189495b1afa75d38fb7"
+dependencies = [
+ "async-trait",
+ "byteorder",
+ "bytes",
+ "read-logger",
+ "reqwest",
+ "thiserror 1.0.69",
+]
+
 [[package]]
 name = "http-serde"
 version = "2.1.1"
@@ -2670,9 +2733,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.9.0"
+version = "2.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cea70ddb795996207ad57735b50c5982d8844f38ba9ee5f1aedcfb708a2aa11e"
+checksum = "fe4cd85333e22411419a0bcae1297d25e58c9443848b11dc6a86fefe8c78a661"
 dependencies = [
  "equivalent",
  "hashbrown 0.15.3",
@@ -2709,12 +2772,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "154934ea70c58054b556dd430b99a98c2a7ff5309ac9891597e339b5c28f4371"
 dependencies = [
  "console",
+ "globset",
  "once_cell",
  "pest",
  "pest_derive",
  "regex",
  "serde",
  "similar",
+ "walkdir",
 ]
 
 [[package]]
@@ -2796,7 +2861,7 @@ version = "0.1.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "38f262f097c174adebe41eb73d66ae9c06b2844fb0da69969647bbddd9b0538a"
 dependencies = [
- "getrandom 0.3.2",
+ "getrandom 0.3.3",
  "libc",
 ]
 
@@ -2812,9 +2877,9 @@ dependencies = [
 
 [[package]]
 name = "json-patch"
-version = "3.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "863726d7afb6bc2590eeff7135d923545e5e964f004c2ccf8716c25e70a86f08"
+checksum = "159294d661a039f7644cea7e4d844e6b25aaf71c1ffe9d73a96d768c24b0faf4"
 dependencies = [
  "jsonptr",
  "serde",
@@ -2824,9 +2889,9 @@ dependencies = [
 
 [[package]]
 name = "jsonptr"
-version = "0.6.3"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dea2b27dd239b2556ed7a25ba842fe47fd602e7fc7433c2a8d6106d4d9edd70"
+checksum = "a5a3cc660ba5d72bce0b3bb295bf20847ccbb40fd423f3f05b61273672e561fe"
 dependencies = [
  "serde",
  "serde_json",
@@ -2894,21 +2959,6 @@ dependencies = [
  "tokio-util 0.6.10",
 ]
 
-[[package]]
-name = "jsonwebtoken"
-version = "9.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a87cc7a48537badeae96744432de36f4be2b4a34a05a5ef32e9dd8a1c169dde"
-dependencies = [
- "base64 0.22.1",
- "js-sys",
- "pem",
- "ring",
- "serde",
- "serde_json",
- "simple_asn1",
-]
-
 [[package]]
 name = "keyring"
 version = "3.6.2"
@@ -2963,6 +3013,12 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
+[[package]]
+name = "libbz2-rs-sys"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "775bf80d5878ab7c2b1080b5351a48b2f737d9f6f8b383574eebcc22be0dfccb"
+
 [[package]]
 name = "libc"
 version = "0.2.172"
@@ -2980,12 +3036,12 @@ dependencies = [
 
 [[package]]
 name = "libloading"
-version = "0.8.6"
+version = "0.8.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc2f4eb4bc735547cfed7c0a4922cbd04a4655978c09b54f1f7b228750664c34"
+checksum = "07033963ba89ebaf1584d767badaa2e8fcec21aedea6b8c0346d487d49c28667"
 dependencies = [
  "cfg-if 1.0.0",
- "windows-targets 0.52.6",
+ "windows-targets 0.53.2",
 ]
 
 [[package]]
@@ -3005,6 +3061,21 @@ dependencies = [
  "redox_syscall 0.5.11",
 ]
 
+[[package]]
+name = "libz-rs-sys"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "172a788537a2221661b480fee8dc5f96c580eb34fa88764d3205dc356c7e4221"
+dependencies = [
+ "zlib-rs",
+]
+
+[[package]]
+name = "line-ending"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "834e592123b39b7b3ba3fdc4b7e4822fad3ced449010f8229f843fe6dd1a33f1"
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.4.15"
@@ -3061,6 +3132,12 @@ dependencies = [
  "hashbrown 0.15.3",
 ]
 
+[[package]]
+name = "lzma-rust2"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecaa2bc9f1bd284be221d0770bbc9b92a438fdf422ba45211f6c6bf157ebb932"
+
 [[package]]
 name = "lzma-sys"
 version = "0.1.20"
@@ -3072,17 +3149,6 @@ dependencies = [
  "pkg-config",
 ]
 
-[[package]]
-name = "marked-yaml"
-version = "0.7.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2eb25a7ab146f4058d67a74dfea52e25c133c575f08ce5851da97d224e3ad8d"
-dependencies = [
- "doc-comment",
- "hashlink 0.9.1",
- "yaml-rust2 0.9.0",
-]
-
 [[package]]
 name = "marked-yaml"
 version = "0.8.0"
@@ -3090,8 +3156,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a76cf4e66a8ffccfce983161b0faafe61a5ef03fe875ef2e3deb897e4e915fa"
 dependencies = [
  "doc-comment",
- "hashlink 0.10.0",
- "yaml-rust2 0.10.3",
+ "hashlink",
+ "yaml-rust2",
 ]
 
 [[package]]
@@ -3115,9 +3181,9 @@ dependencies = [
 
 [[package]]
 name = "memchr"
-version = "2.7.4"
+version = "2.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
+checksum = "32a282da65faaf38286cf3be983213fcf1d2e2a58700e808f83f4ea9a4804bc0"
 
 [[package]]
 name = "memmap2"
@@ -3194,12 +3260,6 @@ dependencies = [
  "serde_json",
 ]
 
-[[package]]
-name = "minimal-lexical"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
-
 [[package]]
 name = "miniz_oxide"
 version = "0.8.8"
@@ -3250,24 +3310,33 @@ dependencies = [
  "memoffset",
 ]
 
+[[package]]
+name = "nix"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74523f3a35e05aba87a1d978330aef40f67b0304ac79c1c00b294c9830543db6"
+dependencies = [
+ "bitflags 2.9.0",
+ "cfg-if 1.0.0",
+ "cfg_aliases",
+ "libc",
+]
+
 [[package]]
 name = "nom"
-version = "7.1.3"
+version = "8.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+checksum = "df9761775871bdef83bee530e60050f7e54b1105350d6884eb0fb4f46c2f9405"
 dependencies = [
  "memchr",
- "minimal-lexical",
 ]
 
 [[package]]
-name = "nom_locate"
-version = "4.2.0"
+name = "nom-language"
+version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e3c83c053b0713da60c5b8de47fe8e494fe3ece5267b2f23090a07a053ba8f3"
+checksum = "2de2bc5b451bfedaef92c90b8939a8fff5770bdcc1fafd6239d086aab8fa6b29"
 dependencies = [
- "bytecount",
- "memchr",
  "nom",
 ]
 
@@ -3290,6 +3359,15 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "nu-ansi-term"
+version = "0.50.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4a28e057d01f97e61255210fcff094d74ed0466038633e95017f5beb68e4399"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "num"
 version = "0.4.3"
@@ -3371,11 +3449,11 @@ dependencies = [
 
 [[package]]
 name = "num_cpus"
-version = "1.16.0"
+version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
+checksum = "91df4bbde75afed763b708b7eee1e8e7651e02d97f6d5dd763e89367e957b23b"
 dependencies = [
- "hermit-abi 0.3.9",
+ "hermit-abi 0.5.2",
  "libc",
 ]
 
@@ -3385,6 +3463,25 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830b246a0e5f20af87141b25c173cd1b609bd7779a4617d6ec582abaf90870f3"
 
+[[package]]
+name = "objc2-core-foundation"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c10c2894a6fed806ade6027bcd50662746363a9589d3ec9d9bef30a4e4bc166"
+dependencies = [
+ "bitflags 2.9.0",
+]
+
+[[package]]
+name = "objc2-io-kit"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71c1c64d6120e51cd86033f67176b1cb66780c2efe34dec55176f77befd93c0a"
+dependencies = [
+ "libc",
+ "objc2-core-foundation",
+]
+
 [[package]]
 name = "object"
 version = "0.36.7"
@@ -3402,38 +3499,9 @@ checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
 
 [[package]]
 name = "opendal"
-version = "0.52.0"
+version = "0.53.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a55c840b5a6ad96106d6c0612fabb8f35a5ace826e0474fc55ebda33042b8d33"
-dependencies = [
- "anyhow",
- "async-trait",
- "backon",
- "base64 0.22.1",
- "bytes",
- "chrono",
- "crc32c",
- "futures",
- "getrandom 0.2.16",
- "http 1.3.1",
- "log",
- "md-5",
- "once_cell",
- "percent-encoding",
- "quick-xml 0.36.2",
- "reqsign",
- "reqwest",
- "serde",
- "serde_json",
- "tokio",
- "uuid",
-]
-
-[[package]]
-name = "opendal"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0f407ca2797ca6c010720aa3cedfa0187430e4f70b729c75c33142d44021f59"
+checksum = "f947c4efbca344c1a125753366033c8107f552b2e3f8251815ed1908f116ca3e"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -3499,6 +3567,16 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "ordermap"
+version = "0.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d6bff06e4a5dc6416bead102d3e63c480dd852ffbb278bf8cfeb4966b329609"
+dependencies = [
+ "indexmap 2.10.0",
+ "serde",
+]
+
 [[package]]
 name = "outref"
 version = "0.5.2"
@@ -3594,16 +3672,6 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df94ce210e5bc13cb6651479fa48d14f601d9858cfe0467f43ae157023b938d3"
 
-[[package]]
-name = "pem"
-version = "3.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38af38e8470ac9dee3ce1bae1af9c1671fffc44ddfd8bd1d0a3445bf349a8ef3"
-dependencies = [
- "base64 0.22.1",
- "serde",
-]
-
 [[package]]
 name = "pep440_rs"
 version = "0.7.3"
@@ -3624,7 +3692,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "faee7227064121fcadcd2ff788ea26f0d8f2bd23a0574da11eca23bc935bcc05"
 dependencies = [
  "boxcar",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "itertools 0.13.0",
  "once_cell",
  "pep440_rs",
@@ -3697,18 +3765,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3672b37090dbd86368a4145bc067582552b29c27377cad4e0a306c97f9bd7772"
 dependencies = [
  "fixedbitset",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
 ]
 
 [[package]]
 name = "petgraph"
-version = "0.8.1"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a98c6720655620a521dcc722d0ad66cd8afd5d86e34a89ef691c50b7b24de06"
+checksum = "54acf3a685220b533e437e264e4d932cfbdc4cc7ec0cd232ed73c08d03b8a7ca"
 dependencies = [
  "fixedbitset",
  "hashbrown 0.15.3",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "serde",
 ]
 
@@ -3809,7 +3877,7 @@ dependencies = [
  "clap-verbosity-flag",
  "dirs",
  "fs-err",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "insta",
  "itertools 0.14.0",
  "jsonrpc-core",
@@ -3818,6 +3886,7 @@ dependencies = [
  "log",
  "miette",
  "minijinja",
+ "ordermap",
  "parking_lot 0.12.4",
  "pathdiff",
  "pixi_build_type_conversions",
@@ -3837,9 +3906,10 @@ dependencies = [
  "serde_json",
  "serde_yaml",
  "tempfile",
+ "thiserror 2.0.12",
  "tokio",
  "toml 0.7.8",
- "toml_edit 0.22.26",
+ "toml_edit 0.22.27",
  "tracing-subscriber",
  "url",
 ]
@@ -3848,23 +3918,19 @@ dependencies = [
 name = "pixi-build-cmake"
 version = "0.2.0"
 dependencies = [
- "async-trait",
- "chrono",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "insta",
  "miette",
  "minijinja",
  "pixi-build-backend",
- "pixi_build_type_conversions",
  "pixi_build_types",
- "pixi_manifest",
  "rattler-build",
  "rattler_conda_types",
- "rattler_package_streaming",
  "recipe-stage0",
+ "rstest",
  "serde",
  "serde_json",
- "tempfile",
+ "strum",
  "tokio",
 ]
 
@@ -3878,7 +3944,7 @@ dependencies = [
  "clap-verbosity-flag",
  "dirs",
  "fs-err",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "insta",
  "itertools 0.14.0",
  "jsonrpc-core",
@@ -3908,7 +3974,7 @@ dependencies = [
  "serde_yaml",
  "tempfile",
  "tokio",
- "toml_edit 0.22.26",
+ "toml_edit 0.22.27",
  "tracing-subscriber",
  "url",
 ]
@@ -3918,8 +3984,10 @@ name = "pixi-build-rattler-build"
 version = "0.2.0"
 dependencies = [
  "async-trait",
+ "chrono",
  "fs-err",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
+ "insta",
  "itertools 0.14.0",
  "miette",
  "pathdiff",
@@ -3941,9 +4009,9 @@ version = "0.2.0"
 dependencies = [
  "async-trait",
  "chrono",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "insta",
- "marked-yaml 0.8.0",
+ "marked-yaml",
  "miette",
  "minijinja",
  "pixi-build-backend",
@@ -3966,22 +4034,23 @@ dependencies = [
 [[package]]
 name = "pixi_build_type_conversions"
 version = "0.1.0"
-source = "git+https://github.com/prefix-dev/pixi?branch=main#1ca9578b0ad73dbd5a889849f3bff47ddb91a81f"
+source = "git+https://github.com/prefix-dev/pixi?branch=main#d5e6c4513e99bec71e807e00f8afd1ba4358c749"
 dependencies = [
- "indexmap 2.9.0",
  "itertools 0.14.0",
+ "ordermap",
  "pixi_build_types",
  "pixi_manifest",
  "pixi_spec",
  "rattler_conda_types",
+ "xxhash-rust",
 ]
 
 [[package]]
 name = "pixi_build_types"
 version = "0.1.0"
-source = "git+https://github.com/prefix-dev/pixi?branch=main#1ca9578b0ad73dbd5a889849f3bff47ddb91a81f"
+source = "git+https://github.com/prefix-dev/pixi?branch=main#d5e6c4513e99bec71e807e00f8afd1ba4358c749"
 dependencies = [
- "indexmap 2.9.0",
+ "ordermap",
  "rattler_conda_types",
  "rattler_digest",
  "serde",
@@ -3993,7 +4062,7 @@ dependencies = [
 [[package]]
 name = "pixi_config"
 version = "0.1.0"
-source = "git+https://github.com/prefix-dev/pixi?branch=main#1ca9578b0ad73dbd5a889849f3bff47ddb91a81f"
+source = "git+https://github.com/prefix-dev/pixi?branch=main#d5e6c4513e99bec71e807e00f8afd1ba4358c749"
 dependencies = [
  "clap",
  "console",
@@ -4005,14 +4074,13 @@ dependencies = [
  "rattler",
  "rattler_conda_types",
  "rattler_networking",
- "rattler_package_streaming",
  "rattler_repodata_gateway",
  "reqwest",
  "serde",
  "serde_ignored",
  "serde_json",
  "thiserror 2.0.12",
- "toml_edit 0.22.26",
+ "toml_edit 0.22.27",
  "tracing",
  "url",
 ]
@@ -4020,7 +4088,7 @@ dependencies = [
 [[package]]
 name = "pixi_consts"
 version = "0.1.0"
-source = "git+https://github.com/prefix-dev/pixi?branch=main#1ca9578b0ad73dbd5a889849f3bff47ddb91a81f"
+source = "git+https://github.com/prefix-dev/pixi?branch=main#d5e6c4513e99bec71e807e00f8afd1ba4358c749"
 dependencies = [
  "console",
  "rattler_cache",
@@ -4031,7 +4099,7 @@ dependencies = [
 [[package]]
 name = "pixi_git"
 version = "0.0.1"
-source = "git+https://github.com/prefix-dev/pixi?branch=main#1ca9578b0ad73dbd5a889849f3bff47ddb91a81f"
+source = "git+https://github.com/prefix-dev/pixi?branch=main#d5e6c4513e99bec71e807e00f8afd1ba4358c749"
 dependencies = [
  "dashmap",
  "dunce",
@@ -4051,14 +4119,14 @@ dependencies = [
 [[package]]
 name = "pixi_manifest"
 version = "0.1.0"
-source = "git+https://github.com/prefix-dev/pixi?branch=main#1ca9578b0ad73dbd5a889849f3bff47ddb91a81f"
+source = "git+https://github.com/prefix-dev/pixi?branch=main#d5e6c4513e99bec71e807e00f8afd1ba4358c749"
 dependencies = [
  "chrono",
  "console",
  "dunce",
  "fancy_display",
  "fs-err",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "itertools 0.14.0",
  "miette",
  "minijinja",
@@ -4083,7 +4151,7 @@ dependencies = [
  "strum",
  "thiserror 2.0.12",
  "toml-span",
- "toml_edit 0.22.26",
+ "toml_edit 0.22.27",
  "tracing",
  "url",
 ]
@@ -4091,7 +4159,7 @@ dependencies = [
 [[package]]
 name = "pixi_pypi_spec"
 version = "0.1.0"
-source = "git+https://github.com/prefix-dev/pixi?branch=main#1ca9578b0ad73dbd5a889849f3bff47ddb91a81f"
+source = "git+https://github.com/prefix-dev/pixi?branch=main#d5e6c4513e99bec71e807e00f8afd1ba4358c749"
 dependencies = [
  "itertools 0.14.0",
  "pep440_rs",
@@ -4103,7 +4171,7 @@ dependencies = [
  "serde_json",
  "thiserror 2.0.12",
  "toml-span",
- "toml_edit 0.22.26",
+ "toml_edit 0.22.27",
  "tracing",
  "url",
 ]
@@ -4111,7 +4179,7 @@ dependencies = [
 [[package]]
 name = "pixi_spec"
 version = "0.1.0"
-source = "git+https://github.com/prefix-dev/pixi?branch=main#1ca9578b0ad73dbd5a889849f3bff47ddb91a81f"
+source = "git+https://github.com/prefix-dev/pixi?branch=main#d5e6c4513e99bec71e807e00f8afd1ba4358c749"
 dependencies = [
  "dirs",
  "file_url",
@@ -4125,7 +4193,7 @@ dependencies = [
  "serde_with",
  "thiserror 2.0.12",
  "toml-span",
- "toml_edit 0.22.26",
+ "toml_edit 0.22.27",
  "tracing",
  "typed-path",
  "url",
@@ -4134,10 +4202,11 @@ dependencies = [
 [[package]]
 name = "pixi_spec_containers"
 version = "0.1.0"
-source = "git+https://github.com/prefix-dev/pixi?branch=main#1ca9578b0ad73dbd5a889849f3bff47ddb91a81f"
+source = "git+https://github.com/prefix-dev/pixi?branch=main#d5e6c4513e99bec71e807e00f8afd1ba4358c749"
 dependencies = [
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "itertools 0.14.0",
+ "pixi_spec",
  "rattler_conda_types",
  "serde",
 ]
@@ -4145,11 +4214,11 @@ dependencies = [
 [[package]]
 name = "pixi_toml"
 version = "0.1.0"
-source = "git+https://github.com/prefix-dev/pixi?branch=main#1ca9578b0ad73dbd5a889849f3bff47ddb91a81f"
+source = "git+https://github.com/prefix-dev/pixi?branch=main#d5e6c4513e99bec71e807e00f8afd1ba4358c749"
 dependencies = [
  "digest",
  "hex",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "itertools 0.14.0",
  "miette",
  "strsim",
@@ -4160,7 +4229,7 @@ dependencies = [
 [[package]]
 name = "pixi_utils"
 version = "0.1.0"
-source = "git+https://github.com/prefix-dev/pixi?branch=main#1ca9578b0ad73dbd5a889849f3bff47ddb91a81f"
+source = "git+https://github.com/prefix-dev/pixi?branch=main#d5e6c4513e99bec71e807e00f8afd1ba4358c749"
 dependencies = [
  "async-fd-lock",
  "fs-err",
@@ -4215,7 +4284,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eac26e981c03a6e53e0aee43c113e3202f5581d5360dae7bd2c70e800dd0451d"
 dependencies = [
  "base64 0.22.1",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "quick-xml 0.32.0",
  "serde",
  "time",
@@ -4248,6 +4317,12 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
+[[package]]
+name = "ppmd-rust"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c834641d8ad1b348c9ee86dec3b9840d805acd5f24daa5f90c788951a52ff59b"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.21"
@@ -4257,13 +4332,23 @@ dependencies = [
  "zerocopy 0.8.25",
 ]
 
+[[package]]
+name = "prettyplease"
+version = "0.2.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6837b9e10d61f45f987d50808f83d1ee3d206c66acf650c3e4ae2e1f6ddedf55"
+dependencies = [
+ "proc-macro2",
+ "syn",
+]
+
 [[package]]
 name = "proc-macro-crate"
 version = "3.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "edce586971a4dfaa28950c6f18ed55e0406c1ab88bbce2c6f6293a7aaba73d35"
 dependencies = [
- "toml_edit 0.22.26",
+ "toml_edit 0.22.27",
 ]
 
 [[package]]
@@ -4296,12 +4381,12 @@ version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "643af57c3f36ba90a8b53e972727d8092f7408a9ebfbaf4c3d2c17b07c58d835"
 dependencies = [
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "pep440_rs",
  "pep508_rs",
  "serde",
  "thiserror 1.0.69",
- "toml 0.8.22",
+ "toml 0.8.23",
 ]
 
 [[package]]
@@ -4313,16 +4398,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "quick-xml"
-version = "0.36.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7649a7b4df05aed9ea7ec6f628c67c9953a43869b8bc50929569b2999d443fe"
-dependencies = [
- "memchr",
- "serde",
-]
-
 [[package]]
 name = "quick-xml"
 version = "0.37.5"
@@ -4360,7 +4435,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bcbafbbdbb0f638fe3f35f3c56739f77a8a1d070cb25603226c83339b391472b"
 dependencies = [
  "bytes",
- "getrandom 0.3.2",
+ "getrandom 0.3.3",
  "rand 0.9.1",
  "ring",
  "rustc-hash",
@@ -4464,14 +4539,14 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
 dependencies = [
- "getrandom 0.3.2",
+ "getrandom 0.3.3",
 ]
 
 [[package]]
 name = "rattler"
-version = "0.33.5"
+version = "0.34.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2e7bfacc5f5ff3517d984b5e2f2df3eea46e8309685cb7cdff39d62f7b2bee2"
+checksum = "69f1ee665e700bdbb7c36ee61d929c7be85321af543c5d25744aa6ea30887d39"
 dependencies = [
  "anyhow",
  "clap",
@@ -4481,7 +4556,7 @@ dependencies = [
  "fs-err",
  "futures",
  "humantime",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "indicatif",
  "itertools 0.14.0",
  "memchr",
@@ -4513,14 +4588,14 @@ dependencies = [
 
 [[package]]
 name = "rattler-build"
-version = "0.41.0"
-source = "git+https://github.com/prefix-dev/rattler-build?branch=main#ea03f64d243260dfd06e7ec75e015233ae9e2bd2"
+version = "0.44.0"
+source = "git+https://github.com/prefix-dev/rattler-build?branch=main#6c3234456e800ed09c64441382a7722904702793"
 dependencies = [
  "anyhow",
  "async-once-cell",
  "async-recursion",
  "base64 0.22.1",
- "bzip2",
+ "bzip2 0.6.0",
  "chrono",
  "clap",
  "clap-verbosity-flag",
@@ -4529,32 +4604,34 @@ dependencies = [
  "comfy-table",
  "console",
  "content_inspector",
+ "diffy",
  "dunce",
  "flate2",
  "fs-err",
  "futures",
- "gitpatch",
  "globset",
  "goblin",
  "hex",
+ "http-range-client",
  "ignore",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "indicatif",
  "itertools 0.14.0",
  "lazy_static",
- "marked-yaml 0.7.2",
+ "line-ending",
+ "marked-yaml",
  "memchr",
  "memmap2",
  "miette",
  "minijinja",
  "num_cpus",
- "opendal 0.53.1",
+ "opendal",
  "pathdiff",
- "petgraph 0.8.1",
- "pixi_config",
+ "petgraph 0.8.2",
  "rattler",
  "rattler_cache",
  "rattler_conda_types",
+ "rattler_config",
  "rattler_digest",
  "rattler_index",
  "rattler_menuinst",
@@ -4572,13 +4649,14 @@ dependencies = [
  "reqwest",
  "reqwest-middleware",
  "reqwest-retry",
- "retry-policies",
+ "retry-policies 0.5.1",
  "scroll",
  "serde",
  "serde-untagged",
  "serde_json",
  "serde_with",
  "serde_yaml",
+ "sevenz-rust2",
  "sha1",
  "sha2",
  "spdx",
@@ -4589,23 +4667,24 @@ dependencies = [
  "thiserror 2.0.12",
  "tokio",
  "tokio-util 0.7.15",
- "toml 0.8.22",
+ "toml 0.8.23",
  "tracing",
  "tracing-core",
  "tracing-subscriber",
+ "unicode-normalization",
  "url",
  "walkdir",
  "which",
  "xz2",
- "zip",
+ "zip 4.2.0",
  "zstd",
 ]
 
 [[package]]
 name = "rattler_cache"
-version = "0.3.17"
+version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd2ad44802bc15f7196f0898ff52729aab52338203ddbdff5212146f45aa2a67"
+checksum = "cbea9d0e81a922ea7d657c320ca4f02a22c8a54c16bdccb0ce98998b0f3a9d2f"
 dependencies = [
  "anyhow",
  "dashmap",
@@ -4635,9 +4714,9 @@ dependencies = [
 
 [[package]]
 name = "rattler_conda_types"
-version = "0.32.0"
+version = "0.35.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21c2ed99f2fc8044499c63c65db265f6ec3e0333cdf15bb442d5063187449d51"
+checksum = "c274929e5f1a067691a20c8861343799581edaaea8df6ee8d2ba1e9311d2bafa"
 dependencies = [
  "chrono",
  "core-foundation 0.10.0",
@@ -4647,10 +4726,11 @@ dependencies = [
  "fxhash",
  "glob",
  "hex",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "itertools 0.14.0",
  "lazy-regex",
  "nom",
+ "nom-language",
  "purl",
  "rattler_digest",
  "rattler_macros",
@@ -4660,24 +4740,42 @@ dependencies = [
  "serde",
  "serde-untagged",
  "serde_json",
- "serde_repr",
- "serde_with",
- "serde_yaml",
- "simd-json",
- "smallvec",
- "strum",
- "tempfile",
+ "serde_repr",
+ "serde_with",
+ "serde_yaml",
+ "simd-json",
+ "smallvec",
+ "strum",
+ "tempfile",
+ "thiserror 2.0.12",
+ "tracing",
+ "typed-path",
+ "url",
+]
+
+[[package]]
+name = "rattler_config"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4681a6af0439dee6a8d23ca523dfba3d3119ffdf47bc91936d46244f993f2bc"
+dependencies = [
+ "console",
+ "fs-err",
+ "indexmap 2.10.0",
+ "rattler_conda_types",
+ "serde",
+ "serde_json",
  "thiserror 2.0.12",
+ "toml 0.8.23",
  "tracing",
- "typed-path",
  "url",
 ]
 
 [[package]]
 name = "rattler_digest"
-version = "1.1.1"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34751b3e9c9755379281d1b49b9335648a4686c434ce77b5376323980d38e1b8"
+checksum = "51af113b5325cd8f6d07132da839f59d7e5e629585543259cc8a1fcac1d09ca4"
 dependencies = [
  "blake2",
  "digest",
@@ -4693,12 +4791,13 @@ dependencies = [
 
 [[package]]
 name = "rattler_index"
-version = "0.22.5"
+version = "0.24.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3674b10a38a3033d0124978f6c251ad0926d4a621c7330bf03dfd61c40a0078a"
+checksum = "728ef7b43c9a10b257fdb3ad870ba20e2d6bdd5bcf3c1d955e21005fae27ecc8"
 dependencies = [
  "anyhow",
  "bytes",
+ "chrono",
  "clap",
  "clap-verbosity-flag",
  "console",
@@ -4706,24 +4805,29 @@ dependencies = [
  "futures",
  "fxhash",
  "indicatif",
- "opendal 0.52.0",
+ "opendal",
  "rattler_conda_types",
  "rattler_digest",
  "rattler_networking",
  "rattler_package_streaming",
  "reqwest",
+ "rmp-serde",
+ "serde",
  "serde_json",
+ "sha2",
+ "tar",
  "tokio",
  "tracing",
  "tracing-subscriber",
  "url",
+ "zstd",
 ]
 
 [[package]]
 name = "rattler_macros"
-version = "1.0.8"
+version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c9b25725cedeef8dee22c41dee138daf76ebd70da50fe210aa5e50288036816"
+checksum = "80fd4cd77090cb4f5f42e990fdcf65f37a3ea9d9763fcb699fa7a04fbcfa82e4"
 dependencies = [
  "quote",
  "syn",
@@ -4731,9 +4835,9 @@ dependencies = [
 
 [[package]]
 name = "rattler_menuinst"
-version = "0.2.7"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb3eedb82b5366136093acb1bafc4839f3f122c64889a358cbe6e50fc8c573b0"
+checksum = "2d7eb978175752fc1db6eca68bf6fb1eafc9c87516cdf243db708a614a937ec8"
 dependencies = [
  "chrono",
  "configparser",
@@ -4755,15 +4859,15 @@ dependencies = [
  "tracing",
  "unicode-normalization",
  "which",
- "windows 0.60.0",
- "windows-registry 0.5.1",
+ "windows 0.61.1",
+ "windows-registry 0.5.2",
 ]
 
 [[package]]
 name = "rattler_networking"
-version = "0.22.12"
+version = "0.25.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfe0171ee4c22e335ade0cb926e83cdf08a5dda5eaf26fc21fa9948beb65c764"
+checksum = "49e70fdc3304daa6b38c89233c3627329730fb84659fd9b36300c51dc62bf5e8"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -4772,16 +4876,16 @@ dependencies = [
  "base64 0.22.1",
  "dirs",
  "fs-err",
- "getrandom 0.2.16",
+ "getrandom 0.3.3",
  "google-cloud-auth",
- "google-cloud-token",
  "http 1.3.1",
  "itertools 0.14.0",
  "keyring",
  "netrc-rs",
+ "rattler_config",
  "reqwest",
  "reqwest-middleware",
- "retry-policies",
+ "retry-policies 0.4.0",
  "serde",
  "serde_json",
  "tempfile",
@@ -4792,11 +4896,11 @@ dependencies = [
 
 [[package]]
 name = "rattler_package_streaming"
-version = "0.22.36"
+version = "0.22.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11879ff84195638459a15f0bb4c0d167f58ecd497d2df00df46c6cf81c0f2bb7"
+checksum = "bd7b8dbfe695b5037e6ae40befcfdb1e00ba96fbba26dd06914a0bfe5f24b7d3"
 dependencies = [
- "bzip2",
+ "bzip2 0.6.0",
  "chrono",
  "fs-err",
  "futures-util",
@@ -4816,26 +4920,26 @@ dependencies = [
  "tokio-util 0.7.15",
  "tracing",
  "url",
- "zip",
+ "zip 3.0.0",
  "zstd",
 ]
 
 [[package]]
 name = "rattler_pty"
-version = "0.2.0"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e1ba454a7e23bfe50c09abdb3164e26f98b326a04c104389c41e300918b219f"
+checksum = "77c9380cb2a6519ecb334ddd1fadb59b686d29443f671c30b95b64e06ce41b9e"
 dependencies = [
  "libc",
- "nix",
+ "nix 0.30.1",
  "signal-hook",
 ]
 
 [[package]]
 name = "rattler_redaction"
-version = "0.1.10"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9d46116e48405681feb0c0c9938ecb6751825eb9bde353069e516784ca983e9"
+checksum = "fd4bf2c07af84b2db2849fe7d6c8605eaa830e4a1b90ffb900d81847ba35eccc"
 dependencies = [
  "reqwest",
  "reqwest-middleware",
@@ -4844,9 +4948,9 @@ dependencies = [
 
 [[package]]
 name = "rattler_repodata_gateway"
-version = "0.22.5"
+version = "0.23.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e25d367f6ff1d83cf925ccacfcf7805f94030f96de6858992db37edb3c5a638"
+checksum = "654ced7b036b919ae43773d5718a3b47790b586a5baefdc4364e2a594ec84efa"
 dependencies = [
  "anyhow",
  "async-compression",
@@ -4880,13 +4984,14 @@ dependencies = [
  "rattler_redaction",
  "reqwest",
  "reqwest-middleware",
- "retry-policies",
+ "retry-policies 0.4.0",
  "rmp-serde",
  "self_cell",
  "serde",
  "serde_json",
  "serde_with",
  "simple_spawn_blocking",
+ "strum",
  "superslice",
  "tempfile",
  "thiserror 2.0.12",
@@ -4895,15 +5000,15 @@ dependencies = [
  "tracing",
  "url",
  "wasmtimer",
- "windows-sys 0.59.0",
+ "windows-sys 0.60.2",
  "zstd",
 ]
 
 [[package]]
 name = "rattler_sandbox"
-version = "0.1.7"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b14b645c39a3822a3ae3ccc5d02e3ea830576e98178c0c47dcb2d19b227fa96c"
+checksum = "815cae23697b8354a97760ffbf1aae9348ad3c357b70e1b871cfc67510632f8f"
 dependencies = [
  "birdcage",
  "clap",
@@ -4913,14 +5018,14 @@ dependencies = [
 
 [[package]]
 name = "rattler_shell"
-version = "0.22.26"
+version = "0.24.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bdf546ea648c95cfeb27d8eedb6d592c8dec050d2dc9fb9af5be4ffe13759d7f"
+checksum = "fb74c43a011badc5a97867288beff5ea13521dbeefb52cacb089584fa6aed761"
 dependencies = [
  "anyhow",
  "enum_dispatch",
  "fs-err",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "itertools 0.14.0",
  "rattler_conda_types",
  "rattler_pty",
@@ -4934,9 +5039,9 @@ dependencies = [
 
 [[package]]
 name = "rattler_solve"
-version = "1.4.5"
+version = "2.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b632fe7366b6b17e5ba96b14af992258aca04e2d36cf467a19f7980fa2298d7"
+checksum = "bbdbaf1e3a0f25226b4b1acea7dcbe76eab2445e2a8a2ba6796061f8e249d547"
 dependencies = [
  "chrono",
  "futures",
@@ -4952,9 +5057,9 @@ dependencies = [
 
 [[package]]
 name = "rattler_virtual_packages"
-version = "2.0.10"
+version = "2.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6f8be154a9e0be3bfab3a68263ac568207eab9fb0e0820316374e805b340033"
+checksum = "ea46af324d794aa9084ca923266b21a9467e3e1adb6a0e3f5f158480b4c79d3e"
 dependencies = [
  "archspec",
  "libloading",
@@ -4989,16 +5094,23 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "read-logger"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c7f715a23c7db804b71eb9162a9cf210b89e99db9c3649a2a038d13b7594a99"
+dependencies = [
+ "log",
+]
+
 [[package]]
 name = "recipe-stage0"
 version = "0.1.0"
 dependencies = [
- "either",
- "hashlink 0.10.0",
- "indexmap 2.9.0",
+ "hashlink",
+ "indexmap 2.10.0",
  "insta",
- "marked-yaml 0.8.0",
- "miette",
+ "marked-yaml",
  "pixi_build_types",
  "rattler-build",
  "rattler_conda_types",
@@ -5155,9 +5267,9 @@ dependencies = [
 
 [[package]]
 name = "reqwest"
-version = "0.12.19"
+version = "0.12.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2f8e5513d63f2e5b386eb5106dc67eaf3f84e95258e210489136b8b92ad6119"
+checksum = "cbc931937e6ca3a06e3b6c0aa7841849b160a90351d6ab467a8b9b9959767531"
 dependencies = [
  "async-compression",
  "base64 0.22.1",
@@ -5173,12 +5285,10 @@ dependencies = [
  "hyper 1.6.0",
  "hyper-rustls 0.27.5",
  "hyper-util",
- "ipnet",
  "js-sys",
  "log",
  "mime",
  "mime_guess",
- "once_cell",
  "percent-encoding",
  "pin-project-lite",
  "quinn",
@@ -5233,7 +5343,7 @@ dependencies = [
  "parking_lot 0.11.2",
  "reqwest",
  "reqwest-middleware",
- "retry-policies",
+ "retry-policies 0.4.0",
  "thiserror 1.0.69",
  "tokio",
  "tracing",
@@ -5242,16 +5352,16 @@ dependencies = [
 
 [[package]]
 name = "resolvo"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "996e40b356864ad72942a9ef6815df7f219b7b42ccc791906d3e0a17df5d66ab"
+checksum = "dba027c8e5dd4b5e5a690cfcfb3900d5ffe6985adb048cbd111d5aa596a6c0c8"
 dependencies = [
  "ahash",
  "bitvec",
  "elsa",
  "event-listener",
  "futures",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "itertools 0.14.0",
  "petgraph 0.7.1",
  "tracing",
@@ -5266,6 +5376,15 @@ dependencies = [
  "rand 0.8.5",
 ]
 
+[[package]]
+name = "retry-policies"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46a4bd6027df676bcb752d3724db0ea3c0c5fc1dd0376fec51ac7dcaf9cc69be"
+dependencies = [
+ "rand 0.9.1",
+]
+
 [[package]]
 name = "rfc6979"
 version = "0.3.1"
@@ -5419,6 +5538,7 @@ version = "0.23.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df51b5869f3a441595eac5e8ff14d486ff285f7b8c0df8770e49c3b56351f0f0"
 dependencies = [
+ "log",
  "once_cell",
  "ring",
  "rustls-pki-types",
@@ -5434,7 +5554,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a9aace74cb666635c918e9c12bc0d348266037aa8eb599b5cba565709a8dff00"
 dependencies = [
  "openssl-probe",
- "rustls-pemfile",
+ "rustls-pemfile 1.0.4",
  "schannel",
  "security-framework 2.11.1",
 ]
@@ -5460,6 +5580,15 @@ dependencies = [
  "base64 0.21.7",
 ]
 
+[[package]]
+name = "rustls-pemfile"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dce314e5fee3f39953d46bb63bb8a46d40c2f8fb7cc5a3b6cab2bde9721d6e50"
+dependencies = [
+ "rustls-pki-types",
+]
+
 [[package]]
 name = "rustls-pki-types"
 version = "1.11.0"
@@ -5520,6 +5649,30 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "schemars"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cd191f9397d57d581cddd31014772520aa448f65ef991055d7f61582c65165f"
+dependencies = [
+ "dyn-clone",
+ "ref-cast",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "schemars"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1375ba8ef45a6f15d83fa8748f1079428295d403d6ea991d09ab100155fbc06d"
+dependencies = [
+ "dyn-clone",
+ "ref-cast",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "scoped-tls"
 version = "1.0.1"
@@ -5534,18 +5687,18 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "scroll"
-version = "0.12.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ab8598aa408498679922eff7fa985c25d58a90771bd6be794434c5277eab1a6"
+checksum = "c1257cd4248b4132760d6524d6dda4e053bc648c9070b960929bf50cfb1e7add"
 dependencies = [
  "scroll_derive",
 ]
 
 [[package]]
 name = "scroll_derive"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1783eabc414609e28a5ba76aee5ddd52199f7107a0b24c2e9746a1ecc34a683d"
+checksum = "22fc4f90c27b57691bbaf11d8ecc7cfbfe98a4da6dbe60226115d322aa80c06e"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -5708,7 +5861,7 @@ version = "1.0.140"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
 dependencies = [
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "itoa",
  "memchr",
  "ryu",
@@ -5728,9 +5881,9 @@ dependencies = [
 
 [[package]]
 name = "serde_spanned"
-version = "0.6.8"
+version = "0.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87607cb1398ed59d48732e575a4c28a7a8ebf2454b964fe3f224f2afc07909e1"
+checksum = "bf41e0cfaf7226dca15e8197172c295a782857fcb97fad1808a166870dee75a3"
 dependencies = [
  "serde",
 ]
@@ -5749,15 +5902,17 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.12.0"
+version = "3.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6b6f7f2fcb69f747921f79f3926bd1e203fce4fef62c268dd3abfb6d86029aa"
+checksum = "f2c45cd61fefa9db6f254525d46e392b852e0e61d9a1fd36e5bd183450a556d5"
 dependencies = [
  "base64 0.22.1",
  "chrono",
  "hex",
  "indexmap 1.9.3",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
+ "schemars 0.9.0",
+ "schemars 1.0.3",
  "serde",
  "serde_derive",
  "serde_json",
@@ -5767,9 +5922,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.12.0"
+version = "3.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d00caa5193a3c8362ac2b73be6b9e768aa5a4b2f721d8f4b339600c3cb51f8e"
+checksum = "de90945e6565ce0d9a25098082ed4ee4002e047cb59892c318d66821e14bb30f"
 dependencies = [
  "darling",
  "proc-macro2",
@@ -5783,13 +5938,32 @@ version = "0.9.34+deprecated"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a8b1a1a2ebf674015cc02edccce75287f1a0130d394307b36743c2f5d504b47"
 dependencies = [
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "itoa",
  "ryu",
  "serde",
  "unsafe-libyaml",
 ]
 
+[[package]]
+name = "sevenz-rust2"
+version = "0.16.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c12bd2c6a1f413f516836e80c1f541116f9b17ccbab2540f655ceeb58f5592c"
+dependencies = [
+ "aes",
+ "byteorder",
+ "bzip2 0.6.0",
+ "cbc",
+ "crc32fast",
+ "getrandom 0.3.3",
+ "js-sys",
+ "lzma-rust2",
+ "ppmd-rust",
+ "sha2",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "sha1"
 version = "0.10.6"
@@ -5839,9 +6013,9 @@ checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
 [[package]]
 name = "signal-hook"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8621587d4798caf8eb44879d42e56b9a93ea5dcd315a6487c357130095b62801"
+checksum = "d881a16cf4426aa584979d30bd82cb33429027e42122b169753d6ef1085ed6e2"
 dependencies = [
  "libc",
  "signal-hook-registry",
@@ -5874,11 +6048,11 @@ checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
 
 [[package]]
 name = "simd-json"
-version = "0.14.3"
+version = "0.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa2bcf6c6e164e81bc7a5d49fc6988b3d515d9e8c07457d7b74ffb9324b9cd40"
+checksum = "c962f626b54771990066e5435ec8331d1462576cd2d1e62f24076ae014f92112"
 dependencies = [
- "getrandom 0.2.16",
+ "getrandom 0.3.3",
  "halfbrown",
  "ref-cast",
  "serde",
@@ -5899,18 +6073,6 @@ version = "2.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbbb5d9659141646ae647b42fe094daf6c6192d1620870b449d9557f748b2daa"
 
-[[package]]
-name = "simple_asn1"
-version = "0.6.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "297f631f50729c8c99b84667867963997ec0b50f32b2a7dbcab828ef0541e8bb"
-dependencies = [
- "num-bigint",
- "num-traits",
- "thiserror 2.0.12",
- "time",
-]
-
 [[package]]
 name = "simple_spawn_blocking"
 version = "1.1.0"
@@ -6004,9 +6166,9 @@ checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
 [[package]]
 name = "strum"
-version = "0.27.1"
+version = "0.27.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f64def088c51c9510a8579e3c5d67c65349dcf755e5479ad3d010aa6454e2c32"
+checksum = "af23d6f6c1a224baef9d3f61e287d2761385a5b88fdab4eb4c6f11aeb54c4bcf"
 dependencies = [
  "strum_macros",
 ]
@@ -6104,16 +6266,16 @@ dependencies = [
 
 [[package]]
 name = "sysinfo"
-version = "0.33.1"
+version = "0.35.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fc858248ea01b66f19d8e8a6d55f41deaf91e9d495246fd01368d99935c6c01"
+checksum = "3c3ffa3e4ff2b324a57f7aeb3c349656c7b127c3c189520251a648102a92496e"
 dependencies = [
- "core-foundation-sys",
  "libc",
  "memchr",
  "ntapi",
- "rayon",
- "windows 0.57.0",
+ "objc2-core-foundation",
+ "objc2-io-kit",
+ "windows 0.61.1",
 ]
 
 [[package]]
@@ -6170,7 +6332,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e8a64e3985349f2441a1a9ef0b853f869006c3855f2cda6862a94d26ebb9d6a1"
 dependencies = [
  "fastrand",
- "getrandom 0.3.2",
+ "getrandom 0.3.3",
  "once_cell",
  "rustix 1.0.7",
  "windows-sys 0.59.0",
@@ -6413,21 +6575,21 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.8.22"
+version = "0.8.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05ae329d1f08c4d17a59bed7ff5b5a769d062e64a62d34a3261b219e62cd5aae"
+checksum = "dc1beb996b9d83529a9e75c17a1686767d148d70663143c7854d8b4a09ced362"
 dependencies = [
  "serde",
  "serde_spanned",
  "toml_datetime",
- "toml_edit 0.22.26",
+ "toml_edit 0.22.27",
 ]
 
 [[package]]
 name = "toml-span"
-version = "0.4.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "757f36f490e7b3a25ed9fb692d7a0beb1424eabec3f7e8f40f576bece9a8cdc5"
+checksum = "2d36acfca70d66f9b5f9c4786fec60096c3594169bf77b8d4207174dc862e6a4"
 dependencies = [
  "serde",
  "smallvec",
@@ -6435,9 +6597,9 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.9"
+version = "0.6.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3da5db5a963e24bc68be8b17b6fa82814bb22ee8660f192bb182771d498f09a3"
+checksum = "22cddaf88f4fbc13c51aebbf5f8eceb5c7c5a9da2ac40a13519eb5b0a0e8f11c"
 dependencies = [
  "serde",
 ]
@@ -6448,7 +6610,7 @@ version = "0.19.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
 dependencies = [
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "serde",
  "serde_spanned",
  "toml_datetime",
@@ -6457,23 +6619,23 @@ dependencies = [
 
 [[package]]
 name = "toml_edit"
-version = "0.22.26"
+version = "0.22.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "310068873db2c5b3e7659d2cc35d21855dbafa50d1ce336397c666e3cb08137e"
+checksum = "41fe8c660ae4257887cf66394862d21dbca4a6ddd26f04a3560410406a2f819a"
 dependencies = [
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "serde",
  "serde_spanned",
  "toml_datetime",
  "toml_write",
- "winnow 0.7.8",
+ "winnow 0.7.11",
 ]
 
 [[package]]
 name = "toml_write"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfb942dfe1d8e29a7ee7fcbde5bd2b9a25fb89aa70caea2eba3bee836ff41076"
+checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
 
 [[package]]
 name = "tower"
@@ -6544,9 +6706,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.33"
+version = "0.1.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e672c95779cf947c5311f83787af4fa8fffd12fb27e4993211a84bdfd9610f9c"
+checksum = "b9d12581f227e93f094d3af2ae690a574abb8a2b9b7a96e7cfe9647b2b617678"
 dependencies = [
  "once_cell",
  "valuable",
@@ -6580,7 +6742,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e8189decb5ac0fa7bc8b96b7cb9b2701d60d48805aca84a238004d665fcc4008"
 dependencies = [
  "matchers",
- "nu-ansi-term",
+ "nu-ansi-term 0.46.0",
  "once_cell",
  "regex",
  "serde",
@@ -6608,9 +6770,9 @@ checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
 [[package]]
 name = "typed-path"
-version = "0.10.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41713888c5ccfd99979fcd1afd47b71652e331b3d4a0e19d30769e80fec76cce"
+checksum = "c462d18470a2857aa657d338af5fa67170bb48bcc80a296710ce3b0802a32566"
 
 [[package]]
 name = "typeid"
@@ -6742,11 +6904,11 @@ checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "uuid"
-version = "1.16.0"
+version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "458f7a779bf54acc9f347480ac654f68407d3aab21269a6e3c9f922acd9e2da9"
+checksum = "3cf4199d1e5d15ddd86a694e4d0dffa9c323ce759fea589f00fef9d81cc1931d"
 dependencies = [
- "getrandom 0.3.2",
+ "getrandom 0.3.3",
  "js-sys",
  "rand 0.9.1",
  "serde",
@@ -6761,9 +6923,9 @@ checksum = "ba73ea9cf16a25df0c8caa16c51acb937d5712a8429db78a3ee29d5dcacd3a65"
 
 [[package]]
 name = "value-trait"
-version = "0.10.1"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9170e001f458781e92711d2ad666110f153e4e50bfd5cbd02db6547625714187"
+checksum = "0508fce11ad19e0aab49ce20b6bec7f8f82902ded31df1c9fc61b90f0eb396b8"
 dependencies = [
  "float-cmp",
  "halfbrown",
@@ -6979,11 +7141,10 @@ dependencies = [
 
 [[package]]
 name = "which"
-version = "7.0.3"
+version = "8.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24d643ce3fd3e5b54854602a080f34fb10ab75e0b813ee32d00ca2b44fa74762"
+checksum = "d3fabb953106c3c8eea8306e4393700d7657561cb43122571b172bbfb7c7ba1d"
 dependencies = [
- "either",
  "env_home",
  "rustix 1.0.7",
  "winsafe",
@@ -7029,16 +7190,6 @@ dependencies = [
  "windows-targets 0.48.5",
 ]
 
-[[package]]
-name = "windows"
-version = "0.57.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12342cb4d8e3b046f3d80effd474a7a02447231330ef77d71daa6fbc40681143"
-dependencies = [
- "windows-core 0.57.0",
- "windows-targets 0.52.6",
-]
-
 [[package]]
 name = "windows"
 version = "0.58.0"
@@ -7049,39 +7200,17 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
-[[package]]
-name = "windows"
-version = "0.60.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddf874e74c7a99773e62b1c671427abf01a425e77c3d3fb9fb1e4883ea934529"
-dependencies = [
- "windows-collections 0.1.1",
- "windows-core 0.60.1",
- "windows-future 0.1.1",
- "windows-link",
- "windows-numerics 0.1.1",
-]
-
 [[package]]
 name = "windows"
 version = "0.61.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c5ee8f3d025738cb02bad7868bbb5f8a6327501e870bf51f1b455b0a2454a419"
 dependencies = [
- "windows-collections 0.2.0",
+ "windows-collections",
  "windows-core 0.61.0",
- "windows-future 0.2.0",
+ "windows-future",
  "windows-link",
- "windows-numerics 0.2.0",
-]
-
-[[package]]
-name = "windows-collections"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5467f79cc1ba3f52ebb2ed41dbb459b8e7db636cc3429458d9a852e15bc24dec"
-dependencies = [
- "windows-core 0.60.1",
+ "windows-numerics",
 ]
 
 [[package]]
@@ -7093,18 +7222,6 @@ dependencies = [
  "windows-core 0.61.0",
 ]
 
-[[package]]
-name = "windows-core"
-version = "0.57.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2ed2439a290666cd67ecce2b0ffaad89c2a56b976b736e6ece670297897832d"
-dependencies = [
- "windows-implement 0.57.0",
- "windows-interface 0.57.0",
- "windows-result 0.1.2",
- "windows-targets 0.52.6",
-]
-
 [[package]]
 name = "windows-core"
 version = "0.58.0"
@@ -7118,19 +7235,6 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
-[[package]]
-name = "windows-core"
-version = "0.60.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca21a92a9cae9bf4ccae5cf8368dce0837100ddf6e6d57936749e85f152f6247"
-dependencies = [
- "windows-implement 0.59.0",
- "windows-interface 0.59.1",
- "windows-link",
- "windows-result 0.3.2",
- "windows-strings 0.3.1",
-]
-
 [[package]]
 name = "windows-core"
 version = "0.61.0"
@@ -7140,18 +7244,8 @@ dependencies = [
  "windows-implement 0.60.0",
  "windows-interface 0.59.1",
  "windows-link",
- "windows-result 0.3.2",
- "windows-strings 0.4.0",
-]
-
-[[package]]
-name = "windows-future"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a787db4595e7eb80239b74ce8babfb1363d8e343ab072f2ffe901400c03349f0"
-dependencies = [
- "windows-core 0.60.1",
- "windows-link",
+ "windows-result 0.3.4",
+ "windows-strings 0.4.2",
 ]
 
 [[package]]
@@ -7164,17 +7258,6 @@ dependencies = [
  "windows-link",
 ]
 
-[[package]]
-name = "windows-implement"
-version = "0.57.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9107ddc059d5b6fbfbffdfa7a7fe3e22a226def0b2608f72e9d552763d3e1ad7"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "windows-implement"
 version = "0.58.0"
@@ -7186,17 +7269,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "windows-implement"
-version = "0.59.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83577b051e2f49a058c308f17f273b570a6a758386fc291b5f6a934dd84e48c1"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "windows-implement"
 version = "0.60.0"
@@ -7208,17 +7280,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "windows-interface"
-version = "0.57.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29bee4b38ea3cde66011baa44dba677c432a78593e202392d1e9070cf2a7fca7"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "windows-interface"
 version = "0.58.0"
@@ -7247,16 +7308,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "76840935b766e1b0a05c0066835fb9ec80071d4c09a16f6bd5f7e655e3c14c38"
 
-[[package]]
-name = "windows-numerics"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "005dea54e2f6499f2cee279b8f703b3cf3b5734a2d8d21867c8f44003182eeed"
-dependencies = [
- "windows-core 0.60.1",
- "windows-link",
-]
-
 [[package]]
 name = "windows-numerics"
 version = "0.2.0"
@@ -7273,29 +7324,20 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4286ad90ddb45071efd1a66dfa43eb02dd0dfbae1545ad6cc3c51cf34d7e8ba3"
 dependencies = [
- "windows-result 0.3.2",
+ "windows-result 0.3.4",
  "windows-strings 0.3.1",
- "windows-targets 0.53.0",
+ "windows-targets 0.53.2",
 ]
 
 [[package]]
 name = "windows-registry"
-version = "0.5.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad1da3e436dc7653dfdf3da67332e22bff09bb0e28b0239e1624499c7830842e"
+checksum = "b3bab093bdd303a1240bb99b8aba8ea8a69ee19d34c9e2ef9594e708a4878820"
 dependencies = [
  "windows-link",
- "windows-result 0.3.2",
- "windows-strings 0.4.0",
-]
-
-[[package]]
-name = "windows-result"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e383302e8ec8515204254685643de10811af0ed97ea37210dc26fb0032647f8"
-dependencies = [
- "windows-targets 0.52.6",
+ "windows-result 0.3.4",
+ "windows-strings 0.4.2",
 ]
 
 [[package]]
@@ -7309,9 +7351,9 @@ dependencies = [
 
 [[package]]
 name = "windows-result"
-version = "0.3.2"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c64fd11a4fd95df68efcfee5f44a294fe71b8bc6a91993e2791938abcc712252"
+checksum = "56f42bd332cc6c8eac5af113fc0c1fd6a8fd2aa08a0119358686e5160d0586c6"
 dependencies = [
  "windows-link",
 ]
@@ -7337,9 +7379,9 @@ dependencies = [
 
 [[package]]
 name = "windows-strings"
-version = "0.4.0"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a2ba9642430ee452d5a7aa78d72907ebe8cfda358e8cb7918a2050581322f97"
+checksum = "56e6c93f3a0c3b36176cb1327a4958a0353d5d166c2a35cb268ace15e91d3b57"
 dependencies = [
  "windows-link",
 ]
@@ -7362,6 +7404,15 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.60.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2f500e4d28234f72040990ec9d39e3a6b950f9f22d3dba18416c35882612bcb"
+dependencies = [
+ "windows-targets 0.53.2",
+]
+
 [[package]]
 name = "windows-targets"
 version = "0.48.5"
@@ -7395,9 +7446,9 @@ dependencies = [
 
 [[package]]
 name = "windows-targets"
-version = "0.53.0"
+version = "0.53.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1e4c7e8ceaaf9cb7d7507c974735728ab453b67ef8f18febdd7c11fe59dca8b"
+checksum = "c66f69fcc9ce11da9966ddb31a40968cad001c5bedeb5c2b82ede4253ab48aef"
 dependencies = [
  "windows_aarch64_gnullvm 0.53.0",
  "windows_aarch64_msvc 0.53.0",
@@ -7558,9 +7609,9 @@ dependencies = [
 
 [[package]]
 name = "winnow"
-version = "0.7.8"
+version = "0.7.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e27d6ad3dac991091e4d35de9ba2d2d00647c5d0fc26c5496dee55984ae111b"
+checksum = "74c7b26e3480b707944fc872477815d29a8e429d2f93a1ce000f5fa84a15cbcd"
 dependencies = [
  "memchr",
 ]
@@ -7636,6 +7687,12 @@ version = "0.13.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "66fee0b777b0f5ac1c69bb06d361268faafa61cd4682ae064a171c16c433e9e4"
 
+[[package]]
+name = "xxhash-rust"
+version = "0.8.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fdd20c5420375476fbd4394763288da7eb0cc0b8c11deed431a91562af7335d3"
+
 [[package]]
 name = "xz2"
 version = "0.1.7"
@@ -7645,17 +7702,6 @@ dependencies = [
  "lzma-sys",
 ]
 
-[[package]]
-name = "yaml-rust2"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a1a1c0bc9823338a3bdf8c61f994f23ac004c6fa32c08cd152984499b445e8d"
-dependencies = [
- "arraydeque",
- "encoding_rs",
- "hashlink 0.9.1",
-]
-
 [[package]]
 name = "yaml-rust2"
 version = "0.10.3"
@@ -7664,7 +7710,7 @@ checksum = "4ce2a4ff45552406d02501cea6c18d8a7e50228e7736a872951fe2fe75c91be7"
 dependencies = [
  "arraydeque",
  "encoding_rs",
- "hashlink 0.10.0",
+ "hashlink",
 ]
 
 [[package]]
@@ -7713,7 +7759,7 @@ dependencies = [
  "futures-sink",
  "futures-util",
  "hex",
- "nix",
+ "nix 0.29.0",
  "ordered-stream",
  "rand 0.8.5",
  "serde",
@@ -7844,20 +7890,39 @@ dependencies = [
 
 [[package]]
 name = "zip"
-version = "2.6.1"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1dcb24d0152526ae49b9b96c1dcf71850ca1e0b882e4e28ed898a93c41334744"
+checksum = "12598812502ed0105f607f941c386f43d441e00148fce9dec3ca5ffb0bde9308"
 dependencies = [
  "arbitrary",
  "crc32fast",
- "crossbeam-utils",
  "flate2",
- "indexmap 2.9.0",
+ "indexmap 2.10.0",
  "memchr",
  "time",
  "zopfli",
 ]
 
+[[package]]
+name = "zip"
+version = "4.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95ab361742de920c5535880f89bbd611ee62002bf11341d16a5f057bb8ba6899"
+dependencies = [
+ "arbitrary",
+ "crc32fast",
+ "flate2",
+ "indexmap 2.10.0",
+ "memchr",
+ "zopfli",
+]
+
+[[package]]
+name = "zlib-rs"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "626bd9fa9734751fc50d6060752170984d7053f5a39061f524cda68023d4db8a"
+
 [[package]]
 name = "zopfli"
 version = "0.8.2"
diff --git a/Cargo.toml b/Cargo.toml
index 2416451a..e8e2c3b5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,9 +12,13 @@ clap = "4.5.29"
 clap-verbosity-flag = "3.0.2"
 either = "1.15.0"
 fs-err = "3.1.0"
+hashlink = "0.10.0"
+insta = "1.43.1"
 indexmap = "2.7.1"
+ordermap = "0.5.7"
 itertools = "0.14.0"
 log = "0.4.25"
+marked-yaml = "0.8.0"
 miette = "7.5.0"
 minijinja = "2.7.0"
 parking_lot = "0.12.3"
@@ -35,19 +39,20 @@ url = "2.5.4"
 pyproject-toml = "0.13.4"
 dirs = "6.0.0"
 pathdiff = "0.2.3"
+thiserror = "2.0.12"
+strum = "0.27.2"
 
 jsonrpc-stdio-server = "18.0.0"
 jsonrpc-http-server = "18.0.0"
 jsonrpc-core = "18.0.0"
 
-rattler-build = { version = "*", default-features = false, features = [
+rattler-build = { git = "https://github.com/prefix-dev/rattler-build", branch = "main", default-features = false, features = [
   "rustls-tls",
 ] }
 
-
-rattler_conda_types = { version = "0.32.0", default-features = false }
-rattler_package_streaming = { version = "0.22.35", default-features = false }
-rattler_virtual_packages = { version = "2.0.9", default-features = false }
+rattler_conda_types = { version = "0.35.3", default-features = false }
+rattler_package_streaming = { version = "0.22.42", default-features = false }
+rattler_virtual_packages = { version = "2.0.16", default-features = false }
 
 pixi_build_types = { version = "*" }
 pixi_consts = { version = "*" }
@@ -80,6 +85,3 @@ pixi_build_type_conversions = { git = "https://github.com/prefix-dev/pixi", bran
 #rattler_virtual_packages = { path = "../rattler/crates/rattler_virtual_packages" }
 #rattler_repodata_gateway = { path = "../rattler/crates/rattler_repodata_gateway" }
 #simple_spawn_blocking = { path = "../rattler/crates/simple_spawn_blocking" }
-
-rattler-build = { git = "https://github.com/prefix-dev/rattler-build", branch = "main" }
-#rattler-build = { path = "../rattler-build" }
diff --git a/crates/pixi-build-backend/Cargo.toml b/crates/pixi-build-backend/Cargo.toml
index d89de808..71c3082b 100644
--- a/crates/pixi-build-backend/Cargo.toml
+++ b/crates/pixi-build-backend/Cargo.toml
@@ -10,6 +10,7 @@ clap = { workspace = true, features = ["derive", "env"] }
 clap-verbosity-flag = { workspace = true }
 fs-err = { workspace = true }
 indexmap = { workspace = true }
+ordermap = { workspace = true }
 itertools = { workspace = true }
 log = { workspace = true }
 miette = { workspace = true }
@@ -32,6 +33,7 @@ url = { workspace = true }
 pyproject-toml = { workspace = true }
 dirs = { workspace = true }
 pathdiff = { workspace = true }
+thiserror = { workspace = true }
 
 pixi_build_types = { workspace = true }
 pixi_consts = { workspace = true }
diff --git a/crates/pixi-build-backend/src/cli.rs b/crates/pixi-build-backend/src/cli.rs
index 15212330..fb425131 100644
--- a/crates/pixi-build-backend/src/cli.rs
+++ b/crates/pixi-build-backend/src/cli.rs
@@ -6,7 +6,7 @@ use miette::{Context, IntoDiagnostic};
 use pixi_build_types::{
     BackendCapabilities, ChannelConfiguration, FrontendCapabilities, PlatformAndVirtualPackages,
     procedures::{
-        conda_build::CondaBuildParams,
+        conda_build_v0::CondaBuildParams,
         conda_metadata::{CondaMetadataParams, CondaMetadataResult},
         initialize::InitializeParams,
         negotiate_capabilities::NegotiateCapabilitiesParams,
@@ -93,17 +93,33 @@ pub async fn main<T: ProtocolInstantiator, F: FnOnce(LoggingOutputHandler) -> T>
         Some(Commands::Capabilities) => {
             let backend_capabilities = capabilities::<T>().await?;
             eprintln!(
-                "Supports conda metadata: {}",
+                "Supports {}: {}",
+                pixi_build_types::procedures::conda_metadata::METHOD_NAME,
                 backend_capabilities
                     .provides_conda_metadata
                     .unwrap_or_default()
             );
             eprintln!(
-                "Supports conda build: {}",
+                "Supports {}: {}",
+                pixi_build_types::procedures::conda_outputs::METHOD_NAME,
+                backend_capabilities
+                    .provides_conda_outputs
+                    .unwrap_or_default()
+            );
+            eprintln!(
+                "Supports {}: {}",
+                pixi_build_types::procedures::conda_build_v0::METHOD_NAME,
                 backend_capabilities
                     .provides_conda_build
                     .unwrap_or_default()
             );
+            eprintln!(
+                "Supports {}: {}",
+                pixi_build_types::procedures::conda_build_v1::METHOD_NAME,
+                backend_capabilities
+                    .provides_conda_build_v1
+                    .unwrap_or_default()
+            );
             eprintln!(
                 "Highest project model: {}",
                 backend_capabilities
@@ -156,6 +172,7 @@ async fn initialize<T: ProtocolInstantiator>(
     // Initialize the backend
     let (protocol, _initialize_result) = factory
         .initialize(InitializeParams {
+            source_dir: None,
             manifest_path: manifest_path.to_path_buf(),
             project_model,
             cache_directory: None,
@@ -232,7 +249,7 @@ async fn build<T: ProtocolInstantiator>(factory: T, manifest_path: &Path) -> mie
         .context("failed to create a temporary directory in the current directory")?;
 
     let result = protocol
-        .conda_build(CondaBuildParams {
+        .conda_build_v0(CondaBuildParams {
             host_platform: None,
             build_platform_virtual_packages: None,
             channel_base_urls: None,
diff --git a/crates/pixi-build-backend/src/dependencies.rs b/crates/pixi-build-backend/src/dependencies.rs
index 1de716f7..ec0ff85f 100644
--- a/crates/pixi-build-backend/src/dependencies.rs
+++ b/crates/pixi-build-backend/src/dependencies.rs
@@ -3,15 +3,27 @@ use std::{
     str::FromStr,
 };
 
-use miette::{Context, IntoDiagnostic};
+use miette::{Context, Diagnostic, IntoDiagnostic};
 use pixi_build_types as pbt;
+use pixi_build_types::{BinaryPackageSpecV1, NamedSpecV1};
 use rattler_build::{
     NormalizedKey,
+    metadata::PackageIdentifier,
     recipe::{parser::Dependency, variable::Variable},
+    render::{
+        pin::PinError,
+        resolved_dependencies::{
+            DependencyInfo, PinCompatibleDependency, PinSubpackageDependency, ResolveError,
+            SourceDependency, VariantDependency,
+        },
+    },
 };
-use rattler_conda_types::{MatchSpec, NamelessMatchSpec, PackageName, ParseStrictness::Strict};
+use rattler_conda_types::{
+    MatchSpec, NamelessMatchSpec, PackageName, PackageRecord, ParseStrictness::Strict,
+};
+use thiserror::Error;
 
-use crate::traits::PackageSpec;
+use crate::{specs_conversion::from_source_url_to_source_package, traits::PackageSpec};
 
 /// A helper struct to extract match specs from a manifest.
 #[derive(Default)]
@@ -111,3 +123,308 @@ impl<T: PackageSpec> ExtractedDependencies<T> {
         })
     }
 }
+
+/// Converts the input variant configuration passed from pixi to something that
+/// rattler build can deal with.
+pub fn convert_input_variant_configuration(
+    variants: Option<BTreeMap<String, Vec<String>>>,
+) -> Option<BTreeMap<NormalizedKey, Vec<Variable>>> {
+    variants.map(|v| {
+        v.into_iter()
+            .map(|(k, v)| {
+                (
+                    k.into(),
+                    v.into_iter().map(|v| Variable::from_string(&v)).collect(),
+                )
+            })
+            .collect()
+    })
+}
+
+#[derive(Debug, Error, Diagnostic)]
+pub enum ConvertDependencyError {
+    #[error("only matchspecs with defined package names are supported")]
+    MissingName,
+
+    #[error("could not parse version spec for variant key {0}: {1}")]
+    VariantSpecParseError(String, rattler_conda_types::ParseMatchSpecError),
+
+    #[error("could not apply pin. The following subpackage is not available: {0:?}")]
+    SubpackageNotFound(PackageName),
+
+    #[error("could not apply pin: {0}")]
+    PinApplyError(PinError),
+}
+
+fn convert_nameless_matchspec(spec: NamelessMatchSpec) -> pbt::BinaryPackageSpecV1 {
+    pbt::BinaryPackageSpecV1 {
+        version: spec.version,
+        build: spec.build,
+        build_number: spec.build_number,
+        file_name: spec.file_name,
+        channel: spec.channel.map(|c| c.base_url.clone().into()),
+        subdir: spec.subdir,
+        md5: spec.md5,
+        sha256: spec.sha256,
+        url: spec.url,
+        license: spec.license,
+    }
+}
+
+/// Checks if it is applicable to apply a variant on the specified match spec. A
+/// variant can be applied if it has a name and no other fields set. Returns the
+/// name of the variant that should be used.
+fn can_apply_variant(spec: &MatchSpec) -> Option<&PackageName> {
+    match &spec {
+        MatchSpec {
+            name: Some(name),
+            version: None,
+            build: None,
+            build_number: None,
+            file_name: None,
+            extras: None,
+            channel: None,
+            subdir: None,
+            namespace: None,
+            md5: None,
+            sha256: None,
+            license: None,
+            url: None,
+        } => Some(name),
+        _ => None,
+    }
+}
+
+fn apply_variant_and_convert(
+    spec: &MatchSpec,
+    variant: &BTreeMap<NormalizedKey, Variable>,
+) -> Result<Option<NamedSpecV1<BinaryPackageSpecV1>>, ConvertDependencyError> {
+    let Some(name) = can_apply_variant(spec) else {
+        return Ok(None);
+    };
+    let Some(version) = variant.get(&name.into()).map(Variable::to_string) else {
+        return Ok(None);
+    };
+
+    // if the variant starts with an alphanumeric character,
+    // we have to add a '=' to the version spec
+    let mut spec = version.to_string();
+
+    // check if all characters are alphanumeric or ., in that case add
+    // a '=' to get "startswith" behavior
+    if spec.chars().all(|c| c.is_alphanumeric() || c == '.') {
+        spec = format!("={spec}");
+    }
+
+    let variant = name.as_normalized().to_string();
+    let spec: NamelessMatchSpec = spec
+        .parse()
+        .map_err(|e| ConvertDependencyError::VariantSpecParseError(variant.clone(), e))?;
+
+    Ok(Some(pbt::NamedSpecV1 {
+        name: name.as_source().to_owned(),
+        spec: convert_nameless_matchspec(spec),
+    }))
+}
+
+fn convert_dependency(
+    dependency: Dependency,
+    variant: &BTreeMap<NormalizedKey, Variable>,
+    subpackages: &HashMap<PackageName, PackageIdentifier>,
+    sources: &HashMap<String, pbt::SourcePackageSpecV1>,
+) -> Result<pbt::NamedSpecV1<pbt::PackageSpecV1>, ConvertDependencyError> {
+    let match_spec = match dependency {
+        Dependency::Spec(spec) => {
+            // Convert back to source spec if it is a source spec.
+            if let Some(source_package) =
+                spec.url.clone().and_then(from_source_url_to_source_package)
+            {
+                let Some(name) = spec.name else {
+                    return Err(ConvertDependencyError::MissingName);
+                };
+                return Ok(pbt::NamedSpecV1 {
+                    name: name.as_source().into(),
+                    spec: pbt::PackageSpecV1::Source(source_package),
+                });
+            }
+
+            // Apply a variant if it is applicable.
+            if let Some(NamedSpecV1 { name, spec }) = apply_variant_and_convert(&spec, variant)? {
+                return Ok(pbt::NamedSpecV1 {
+                    name,
+                    spec: pbt::PackageSpecV1::Binary(Box::new(spec)),
+                });
+            }
+            spec
+        }
+        Dependency::PinSubpackage(pin) => {
+            let name = &pin.pin_value().name;
+            let subpackage = subpackages
+                .get(name)
+                .ok_or(ConvertDependencyError::SubpackageNotFound(name.to_owned()))?;
+            pin.pin_value()
+                .apply(&subpackage.version, &subpackage.build_string)
+                .map_err(ConvertDependencyError::PinApplyError)?
+        }
+        _ => todo!("Handle other dependency types"),
+    };
+
+    let (Some(name), spec) = match_spec.into_nameless() else {
+        return Err(ConvertDependencyError::MissingName);
+    };
+
+    if let Some(source) = sources
+        .get(name.as_source())
+        .or_else(|| sources.get(name.as_normalized()))
+    {
+        Ok(pbt::NamedSpecV1 {
+            name: name.as_source().to_owned(),
+            spec: pbt::PackageSpecV1::Source(source.clone()),
+        })
+    } else {
+        Ok(pbt::NamedSpecV1 {
+            name: name.as_source().to_owned(),
+            spec: pbt::PackageSpecV1::Binary(Box::new(convert_nameless_matchspec(spec))),
+        })
+    }
+}
+
+fn convert_binary_dependency(
+    dependency: Dependency,
+    variant: &BTreeMap<NormalizedKey, Variable>,
+    subpackages: &HashMap<PackageName, PackageIdentifier>,
+) -> Result<pbt::NamedSpecV1<pbt::BinaryPackageSpecV1>, ConvertDependencyError> {
+    let match_spec = match dependency {
+        Dependency::Spec(spec) => {
+            // Apply a variant if it is applicable.
+            if let Some(spec) = apply_variant_and_convert(&spec, variant)? {
+                return Ok(spec);
+            }
+            spec
+        }
+        Dependency::PinSubpackage(pin) => {
+            let name = &pin.pin_value().name;
+            let subpackage = subpackages
+                .get(name)
+                .ok_or(ConvertDependencyError::SubpackageNotFound(name.to_owned()))?;
+            pin.pin_value()
+                .apply(&subpackage.version, &subpackage.build_string)
+                .map_err(ConvertDependencyError::PinApplyError)?
+        }
+        _ => todo!("Handle other dependency types"),
+    };
+
+    // Apply a variant if it is applicable.
+    if let Some(spec) = apply_variant_and_convert(&match_spec, variant)? {
+        return Ok(spec);
+    }
+
+    let (Some(name), spec) = match_spec.into_nameless() else {
+        return Err(ConvertDependencyError::MissingName);
+    };
+
+    Ok(pbt::NamedSpecV1 {
+        name: name.as_source().to_owned(),
+        spec: convert_nameless_matchspec(spec),
+    })
+}
+
+pub fn convert_dependencies(
+    dependencies: Vec<Dependency>,
+    variant: &BTreeMap<NormalizedKey, Variable>,
+    subpackages: &HashMap<PackageName, PackageIdentifier>,
+    sources: &HashMap<String, pbt::SourcePackageSpecV1>,
+) -> Result<Vec<pbt::NamedSpecV1<pbt::PackageSpecV1>>, ConvertDependencyError> {
+    dependencies
+        .into_iter()
+        .map(|spec| convert_dependency(spec, variant, subpackages, sources))
+        .collect()
+}
+
+pub fn convert_binary_dependencies(
+    dependencies: Vec<Dependency>,
+    variant: &BTreeMap<NormalizedKey, Variable>,
+    subpackages: &HashMap<PackageName, PackageIdentifier>,
+) -> Result<Vec<pbt::NamedSpecV1<pbt::BinaryPackageSpecV1>>, ConvertDependencyError> {
+    dependencies
+        .into_iter()
+        .map(|spec| convert_binary_dependency(spec, variant, subpackages))
+        .collect()
+}
+
+/// Apply a variant to a dependency list and resolve all pin_subpackage and
+/// compiler dependencies
+pub fn apply_variant(
+    raw_specs: &[Dependency],
+    variant: &BTreeMap<NormalizedKey, Variable>,
+    subpackages: &HashMap<PackageName, PackageIdentifier>,
+    compatibility_specs: &HashMap<PackageName, PackageRecord>,
+    build_time: bool,
+) -> Result<Vec<DependencyInfo>, ResolveError> {
+    raw_specs
+        .iter()
+        .map(|s| {
+            match s {
+                Dependency::Spec(m) => {
+                    let m = m.clone();
+                    if build_time && m.version.is_none() && m.build.is_none() {
+                        if let Some(name) = &m.name {
+                            if let Some(version) = variant.get(&name.into()) {
+                                // if the variant starts with an alphanumeric character,
+                                // we have to add a '=' to the version spec
+                                let mut spec = version.to_string();
+
+                                // check if all characters are alphanumeric or ., in that case add
+                                // a '=' to get "startswith" behavior
+                                if spec.chars().all(|c| c.is_alphanumeric() || c == '.') {
+                                    spec = format!("={spec}");
+                                }
+
+                                let variant = name.as_normalized().to_string();
+                                let spec: NamelessMatchSpec = spec.parse().map_err(|e| {
+                                    ResolveError::VariantSpecParseError(variant.clone(), e)
+                                })?;
+
+                                let spec = MatchSpec::from_nameless(spec, Some(name.clone()));
+
+                                return Ok(VariantDependency { spec, variant }.into());
+                            }
+                        }
+                    }
+                    Ok(SourceDependency { spec: m }.into())
+                }
+                Dependency::PinSubpackage(pin) => {
+                    let name = &pin.pin_value().name;
+                    let subpackage = subpackages
+                        .get(name)
+                        .ok_or(ResolveError::SubpackageNotFound(name.to_owned()))?;
+                    let pinned = pin
+                        .pin_value()
+                        .apply(&subpackage.version, &subpackage.build_string)?;
+                    Ok(PinSubpackageDependency {
+                        spec: pinned,
+                        name: name.as_normalized().to_string(),
+                        args: pin.pin_value().args.clone(),
+                    }
+                    .into())
+                }
+                Dependency::PinCompatible(pin) => {
+                    let name = &pin.pin_value().name;
+                    let pin_package = compatibility_specs
+                        .get(name)
+                        .ok_or(ResolveError::SubpackageNotFound(name.to_owned()))?;
+
+                    let pinned = pin
+                        .pin_value()
+                        .apply(&pin_package.version, &pin_package.build)?;
+                    Ok(PinCompatibleDependency {
+                        spec: pinned,
+                        name: name.as_normalized().to_string(),
+                        args: pin.pin_value().args.clone(),
+                    }
+                    .into())
+                }
+            }
+        })
+        .collect()
+}
diff --git a/crates/pixi-build-backend/src/generated_recipe.rs b/crates/pixi-build-backend/src/generated_recipe.rs
index bad2a597..a726cc9b 100644
--- a/crates/pixi-build-backend/src/generated_recipe.rs
+++ b/crates/pixi-build-backend/src/generated_recipe.rs
@@ -1,5 +1,5 @@
 use std::{
-    collections::BTreeMap,
+    collections::{BTreeMap, BTreeSet},
     path::{Path, PathBuf},
 };
 
@@ -18,8 +18,8 @@ pub struct PythonParams {
     pub editable: bool,
 }
 
-/// The trait is responsible of converting a certain [`ProjectModelV1`] (or others in the future)
-/// into an [`IntermediateRecipe`].
+/// The trait is responsible of converting a certain [`ProjectModelV1`] (or
+/// others in the future) into an [`IntermediateRecipe`].
 /// By implementing this trait, you can create a new backend for `pixi-build`.
 ///
 /// It also uses a [`BackendConfig`] to provide additional configuration
@@ -56,8 +56,8 @@ pub trait GenerateRecipe {
         _config: &Self::Config,
         _workdir: impl AsRef<Path>,
         _editable: bool,
-    ) -> Vec<String> {
-        vec![]
+    ) -> BTreeSet<String> {
+        BTreeSet::new()
     }
 
     /// Returns "default" variants for the given host platform. This allows
@@ -80,8 +80,8 @@ pub trait BackendConfig: DeserializeOwned + Default {
 #[derive(Default)]
 pub struct GeneratedRecipe {
     pub recipe: IntermediateRecipe,
-    pub metadata_input_globs: Vec<String>,
-    pub build_input_globs: Vec<String>,
+    pub metadata_input_globs: BTreeSet<String>,
+    pub build_input_globs: BTreeSet<String>,
 }
 
 impl GeneratedRecipe {
@@ -98,9 +98,12 @@ impl GeneratedRecipe {
             ),
         };
 
-        let source = ConditionalList::from([Item::Value(Value::Concrete(Source::path(
-            manifest_root.display().to_string(),
-        )))]);
+        let manifest_path = match manifest_root.display().to_string() {
+            path if path.is_empty() => String::from("."),
+            path => path,
+        };
+        let source =
+            ConditionalList::from([Item::Value(Value::Concrete(Source::path(manifest_path)))]);
 
         let requirements =
             from_targets_v1_to_conditional_requirements(&model.targets.unwrap_or_default());
diff --git a/crates/pixi-build-backend/src/intermediate_backend.rs b/crates/pixi-build-backend/src/intermediate_backend.rs
index 28371bce..c7c49238 100644
--- a/crates/pixi-build-backend/src/intermediate_backend.rs
+++ b/crates/pixi-build-backend/src/intermediate_backend.rs
@@ -4,16 +4,21 @@ use std::{
     sync::Arc,
 };
 
-use indexmap::IndexMap;
+use indexmap::{IndexMap, IndexSet};
 use itertools::Itertools;
 use miette::{Context, IntoDiagnostic};
 use pixi_build_types::{
-    BackendCapabilities, CondaPackageMetadata, ProjectModelV1,
+    BackendCapabilities, CondaPackageMetadata, PathSpecV1, ProjectModelV1, SourcePackageSpecV1,
     procedures::{
-        conda_build::{
+        conda_build_v0::{
             CondaBuildParams, CondaBuildResult, CondaBuiltPackage, CondaOutputIdentifier,
         },
+        conda_build_v1::{CondaBuildV1Output, CondaBuildV1Params, CondaBuildV1Result},
         conda_metadata::{CondaMetadataParams, CondaMetadataResult},
+        conda_outputs::{
+            CondaOutput, CondaOutputDependencies, CondaOutputIgnoreRunExports, CondaOutputMetadata,
+            CondaOutputRunExports, CondaOutputsParams, CondaOutputsResult,
+        },
         initialize::{InitializeParams, InitializeResult},
         negotiate_capabilities::{NegotiateCapabilitiesParams, NegotiateCapabilitiesResult},
     },
@@ -23,7 +28,7 @@ use rattler_build::{
     console_utils::LoggingOutputHandler,
     hash::HashInfo,
     metadata::{
-        BuildConfiguration, Debug, Output, PackageIdentifier, PackagingSettings,
+        BuildConfiguration, Debug, Directories, Output, PackageIdentifier, PackagingSettings,
         PlatformWithVirtualPackages,
     },
     recipe::{
@@ -31,19 +36,25 @@ use rattler_build::{
         parser::{BuildString, find_outputs_from_src},
         variable::Variable,
     },
-    render::resolved_dependencies::DependencyInfo,
+    render::resolved_dependencies::{
+        DependencyInfo, FinalizedDependencies, FinalizedRunDependencies, ResolvedDependencies,
+    },
     selectors::SelectorConfig,
     source_code::Source,
     system_tools::SystemTools,
     tool_configuration::Configuration,
-    variant_config::{ParseErrors, VariantConfig},
+    variant_config::{DiscoveredOutput, ParseErrors, VariantConfig},
+};
+use rattler_conda_types::{
+    ChannelConfig, MatchSpec, Platform, compression_level::CompressionLevel, package::ArchiveType,
 };
-use rattler_conda_types::{ChannelConfig, MatchSpec, Platform, package::ArchiveType};
-use rattler_package_streaming::write::CompressionLevel;
 use recipe_stage0::matchspec::{PackageDependency, SerializableMatchSpec};
 use serde::Deserialize;
 
 use crate::{
+    dependencies::{
+        convert_binary_dependencies, convert_dependencies, convert_input_variant_configuration,
+    },
     generated_recipe::{BackendConfig, GenerateRecipe, PythonParams},
     protocol::{Protocol, ProtocolInstantiator},
     specs_conversion::from_source_matchspec_into_package_spec,
@@ -89,6 +100,7 @@ pub struct IntermediateBackend<T: GenerateRecipe + Clone> {
 impl<T: GenerateRecipe + Clone> IntermediateBackend<T> {
     pub fn new(
         manifest_path: PathBuf,
+        source_dir: Option<PathBuf>,
         project_model: ProjectModelV1,
         generate_recipe: T,
         config: serde_json::Value,
@@ -96,19 +108,37 @@ impl<T: GenerateRecipe + Clone> IntermediateBackend<T> {
         cache_dir: Option<PathBuf>,
     ) -> miette::Result<Self> {
         // Determine the root directory of the manifest
-        let manifest_root = manifest_path
-            .parent()
-            .ok_or_else(|| miette::miette!("the project manifest must reside in a directory"))?
-            .to_path_buf();
+        let (source_dir, manifest_rel_path) = match source_dir {
+            None => {
+                let source_dir = manifest_path
+                    .parent()
+                    .ok_or_else(|| {
+                        miette::miette!("the project manifest must reside in a directory")
+                    })?
+                    .to_path_buf();
+                let manifest_rel_path = manifest_path
+                    .file_name()
+                    .map(Path::new)
+                    .expect("we already validated that the manifest path is a file")
+                    .to_path_buf();
+                (source_dir, manifest_rel_path)
+            }
+            Some(source_dir) => {
+                let manifest_rel_path = pathdiff::diff_paths(manifest_path, &source_dir)
+                    .ok_or_else(|| {
+                        miette::miette!("the manifest is not relative to the source directory")
+                    })?;
+                (source_dir, manifest_rel_path)
+            }
+        };
 
         let config = serde_json::from_value::<T::Config>(config)
             .into_diagnostic()
             .context("failed to parse configuration")?;
 
         Ok(Self {
-            manifest_rel_path: pathdiff::diff_paths(manifest_path, &manifest_root)
-                .expect("must be relative"),
-            source_dir: manifest_root,
+            source_dir,
+            manifest_rel_path,
             project_model,
             generate_recipe,
             config,
@@ -122,7 +152,7 @@ impl<T: GenerateRecipe + Clone> IntermediateBackend<T> {
 impl<T> ProtocolInstantiator for IntermediateBackendInstantiator<T>
 where
     T: GenerateRecipe + Clone + Send + Sync + 'static,
-    T::Config: BackendConfig + Send + Sync + 'static,
+    T::Config: Send + Sync + 'static,
 {
     fn debug_dir(configuration: Option<serde_json::Value>) -> Option<PathBuf> {
         let config = configuration
@@ -152,6 +182,7 @@ where
 
         let instance = IntermediateBackend::<T>::new(
             params.manifest_path,
+            params.source_dir,
             project_model,
             self.generator.clone(),
             config,
@@ -274,6 +305,7 @@ where
             variant: Default::default(),
             experimental: false,
             allow_undefined: false,
+            recipe_path: Some(self.source_dir.join(&self.manifest_rel_path)),
         };
         let outputs = find_outputs_from_src(named_source.clone())?;
         let discovered_outputs = variant_config.find_variants(
@@ -385,6 +417,7 @@ where
                     sandbox_config: None,
                     debug: Debug::default(),
                     solve_strategy: Default::default(),
+                    exclude_newer: None,
                 },
                 finalized_dependencies: None,
                 finalized_sources: None,
@@ -490,7 +523,7 @@ where
         })
     }
 
-    async fn conda_build(&self, params: CondaBuildParams) -> miette::Result<CondaBuildResult> {
+    async fn conda_build_v0(&self, params: CondaBuildParams) -> miette::Result<CondaBuildResult> {
         let channel_config = ChannelConfig {
             channel_alias: params.channel_configuration.base_url,
             root_dir: self.source_dir.to_path_buf(),
@@ -505,7 +538,7 @@ where
         let build_platform = Platform::current();
 
         // Construct the intermediate recipe
-        let generated_recipe = self.generate_recipe.generate_recipe(
+        let mut generated_recipe = self.generate_recipe.generate_recipe(
             &self.project_model,
             &self.config,
             self.source_dir.clone(),
@@ -542,19 +575,9 @@ where
         // from the generator and the user supplied parameters. The parameters
         // from the user take precedence over the default variants.
         let recipe_variants = self.generate_recipe.default_variants(host_platform);
-        let mut param_variant_configuration = params
-            .variant_configuration
-            .unwrap_or_default()
-            .into_iter()
-            .map(|(k, v)| {
-                (
-                    k.into(),
-                    v.into_iter().map(|v| Variable::from_string(&v)).collect(),
-                )
-            })
-            .collect();
-        let mut variants = recipe_variants;
-        variants.append(&mut param_variant_configuration);
+        let param_variants =
+            convert_input_variant_configuration(params.variant_configuration).unwrap_or_default();
+        let variants = BTreeMap::from_iter(itertools::chain!(recipe_variants, param_variants));
         let variant_config = VariantConfig {
             variants,
             pin_run_as_build: None,
@@ -576,6 +599,7 @@ where
             variant: Default::default(),
             experimental: false,
             allow_undefined: false,
+            recipe_path: Some(self.source_dir.join(&self.manifest_rel_path)),
         };
         let outputs = find_outputs_from_src(named_source.clone())?;
         let mut discovered_outputs = variant_config.find_variants(
@@ -716,6 +740,7 @@ where
                     sandbox_config: None,
                     debug: Debug::default(),
                     solve_strategy: Default::default(),
+                    exclude_newer: None,
                 },
                 finalized_dependencies: None,
                 finalized_sources: None,
@@ -734,28 +759,18 @@ where
                 .within_context_async(move || async move { run_build(output, &tool_config).await })
                 .await?;
 
-            let input_globs = T::extract_input_globs_from_build(
+            // Extract the input globs from the build and recipe
+            let mut input_globs = T::extract_input_globs_from_build(
                 &self.config,
                 &params.work_directory,
                 params.editable,
             );
-
-            // join it with the files that were read during the recipe generation
-            let input_globs = input_globs
-                .into_iter()
-                .chain(
-                    generated_recipe
-                        .build_input_globs
-                        .iter()
-                        .map(|f| f.to_string()),
-                )
-                .collect::<Vec<_>>();
+            input_globs.append(&mut generated_recipe.build_input_globs);
 
             let built_package = CondaBuiltPackage {
                 output_file: package,
-                // TODO: we should handle input globs properly
                 input_globs,
-                name: output.name().as_normalized().to_string(),
+                name: output.name().clone(),
                 version: output.version().to_string(),
                 build: output.build_string().into_owned(),
                 subdir: output.target_platform().to_string(),
@@ -765,6 +780,464 @@ where
 
         Ok(CondaBuildResult { packages })
     }
+
+    async fn conda_outputs(
+        &self,
+        params: CondaOutputsParams,
+    ) -> miette::Result<CondaOutputsResult> {
+        let build_platform = params.host_platform;
+
+        // Construct the intermediate recipe
+        let recipe = self.generate_recipe.generate_recipe(
+            &self.project_model,
+            &self.config,
+            self.source_dir.clone(),
+            params.host_platform,
+            Some(PythonParams { editable: false }),
+        )?;
+
+        // Convert the recipe to source code.
+        // TODO(baszalmstra): In the future it would be great if we could just
+        // immediately use the intermediate recipe for some of this rattler-build
+        // functions.
+        let recipe_path = self.source_dir.join(&self.manifest_rel_path);
+        let named_source = Source {
+            name: self.manifest_rel_path.display().to_string(),
+            code: Arc::from(recipe.recipe.to_yaml_pretty().into_diagnostic()?.as_str()),
+            path: recipe_path.clone(),
+        };
+
+        // Construct a `VariantConfig` based on the input parameters.
+        //
+        // rattler-build recipes would also load variant.yaml (or
+        // conda-build-config.yaml) files here, but we only respect the variant
+        // configuration passed in.
+        //
+        // Determine the variant configuration to use. This is a combination of defaults
+        // from the generator and the user supplied parameters. The parameters
+        // from the user take precedence over the default variants.
+        let recipe_variants = self.generate_recipe.default_variants(params.host_platform);
+        let param_variants =
+            convert_input_variant_configuration(params.variant_configuration).unwrap_or_default();
+        let variants = BTreeMap::from_iter(itertools::chain!(recipe_variants, param_variants));
+        let variant_config = VariantConfig {
+            variants,
+            pin_run_as_build: None,
+            zip_keys: None,
+        };
+
+        // Determine the different outputs that are supported by the recipe by expanding
+        // all the different variant combinations.
+        //
+        // TODO(baszalmstra): The selector config we pass in here doesnt have all values
+        // filled in. This is on prupose because at this point we dont yet know all
+        // values like the variant. We should introduce a new type of selector config
+        // for this particular case.
+        let selector_config_for_variants = SelectorConfig {
+            target_platform: params.host_platform,
+            host_platform: params.host_platform,
+            build_platform,
+            hash: None,
+            variant: Default::default(),
+            experimental: false,
+            allow_undefined: false,
+            recipe_path: Some(self.source_dir.join(&self.manifest_rel_path)),
+        };
+        let outputs = find_outputs_from_src(named_source.clone())?;
+        let discovered_outputs = variant_config.find_variants(
+            &outputs,
+            named_source.clone(),
+            &selector_config_for_variants,
+        )?;
+
+        // Construct a mapping that for packages that we want from source.
+        //
+        // By default, this includes all the outputs in the recipe. These should all be
+        // build from source, in particular from the current source.
+        let local_source_packages: HashMap<String, SourcePackageSpecV1> = discovered_outputs
+            .iter()
+            .map(|output| {
+                (
+                    output.name.clone(),
+                    SourcePackageSpecV1::Path(PathSpecV1 { path: ".".into() }),
+                )
+            })
+            .collect();
+
+        let mut subpackages = HashMap::new();
+        let mut outputs = Vec::new();
+        for discovered_output in discovered_outputs {
+            let variant = discovered_output.used_vars;
+            let hash = HashInfo::from_variant(&variant, &discovered_output.noarch_type);
+
+            // Construct the selector config for this particular output. We base this on the
+            // selector config that was used to determine the variants.
+            let selector_config = SelectorConfig {
+                variant: variant.clone(),
+                hash: Some(hash.clone()),
+                target_platform: discovered_output.target_platform,
+                ..selector_config_for_variants.clone()
+            };
+
+            // Convert this discovered output into a recipe.
+            let recipe = Recipe::from_node(&discovered_output.node, selector_config.clone())
+                .map_err(|err| {
+                    let errs: ParseErrors<_> = err
+                        .into_iter()
+                        .map(|err| ParsingError::from_partial(named_source.clone(), err))
+                        .collect::<Vec<_>>()
+                        .into();
+                    errs
+                })?;
+
+            // Skip this output if the recipe is marked as skipped
+            if recipe.build().skip() {
+                continue;
+            }
+
+            let build_number = recipe.build().number;
+
+            subpackages.insert(
+                recipe.package().name().clone(),
+                PackageIdentifier {
+                    name: recipe.package().name().clone(),
+                    version: recipe.package().version().clone(),
+                    build_string: discovered_output.build_string.clone(),
+                },
+            );
+
+            outputs.push(CondaOutput {
+                metadata: CondaOutputMetadata {
+                    name: recipe.package().name().clone(),
+                    version: recipe.package.version().clone(),
+                    build: discovered_output.build_string.clone(),
+                    build_number,
+                    subdir: discovered_output.target_platform,
+                    license: recipe.about.license.map(|l| l.to_string()),
+                    license_family: recipe.about.license_family,
+                    noarch: recipe.build.noarch,
+                    purls: None,
+                    python_site_packages_path: None,
+                    variant: variant
+                        .iter()
+                        .map(|(key, value)| (key.0.clone(), value.to_string()))
+                        .collect(),
+                },
+                build_dependencies: Some(CondaOutputDependencies {
+                    depends: convert_dependencies(
+                        recipe.requirements.build,
+                        &variant,
+                        &subpackages,
+                        &local_source_packages,
+                    )?,
+                    constraints: Vec::new(),
+                }),
+                host_dependencies: Some(CondaOutputDependencies {
+                    depends: convert_dependencies(
+                        recipe.requirements.host,
+                        &variant,
+                        &subpackages,
+                        &local_source_packages,
+                    )?,
+                    constraints: Vec::new(),
+                }),
+                run_dependencies: CondaOutputDependencies {
+                    depends: convert_dependencies(
+                        recipe.requirements.run,
+                        &BTreeMap::default(), // Variants are not applied to run dependencies
+                        &subpackages,
+                        &local_source_packages,
+                    )?,
+                    constraints: convert_binary_dependencies(
+                        recipe.requirements.run_constraints,
+                        &BTreeMap::default(), // Variants are not applied to run constraints
+                        &subpackages,
+                    )?,
+                },
+                ignore_run_exports: CondaOutputIgnoreRunExports {
+                    by_name: recipe
+                        .requirements
+                        .ignore_run_exports
+                        .by_name
+                        .into_iter()
+                        .collect(),
+                    from_package: recipe
+                        .requirements
+                        .ignore_run_exports
+                        .from_package
+                        .into_iter()
+                        .collect(),
+                },
+                run_exports: CondaOutputRunExports {
+                    weak: convert_dependencies(
+                        recipe.requirements.run_exports.weak,
+                        &variant,
+                        &subpackages,
+                        &local_source_packages,
+                    )?,
+                    strong: convert_dependencies(
+                        recipe.requirements.run_exports.strong,
+                        &variant,
+                        &subpackages,
+                        &local_source_packages,
+                    )?,
+                    noarch: convert_dependencies(
+                        recipe.requirements.run_exports.noarch,
+                        &variant,
+                        &subpackages,
+                        &local_source_packages,
+                    )?,
+                    weak_constrains: convert_binary_dependencies(
+                        recipe.requirements.run_exports.weak_constraints,
+                        &variant,
+                        &subpackages,
+                    )?,
+                    strong_constrains: convert_binary_dependencies(
+                        recipe.requirements.run_exports.strong_constraints,
+                        &variant,
+                        &subpackages,
+                    )?,
+                },
+
+                // The input globs are the same for all outputs
+                input_globs: None,
+                // TODO: Implement caching
+            });
+        }
+
+        Ok(CondaOutputsResult {
+            outputs,
+            input_globs: recipe.metadata_input_globs,
+        })
+    }
+
+    async fn conda_build_v1(
+        &self,
+        params: CondaBuildV1Params,
+    ) -> miette::Result<CondaBuildV1Result> {
+        let host_platform = params
+            .host_prefix
+            .as_ref()
+            .map_or_else(Platform::current, |prefix| prefix.platform);
+        let build_platform = params
+            .build_prefix
+            .as_ref()
+            .map_or_else(Platform::current, |prefix| prefix.platform);
+
+        // Construct the intermediate recipe
+        let mut recipe = self.generate_recipe.generate_recipe(
+            &self.project_model,
+            &self.config,
+            self.source_dir.clone(),
+            host_platform,
+            Some(PythonParams {
+                editable: params.editable.unwrap_or_default(),
+            }),
+        )?;
+
+        // Convert the recipe to source code.
+        // TODO(baszalmstra): In the future it would be great if we could just
+        // immediately use the intermediate recipe for some of this rattler-build
+        // functions.
+        let recipe_path = self.source_dir.join(&self.manifest_rel_path);
+        let named_source = Source {
+            name: self.manifest_rel_path.display().to_string(),
+            code: Arc::from(recipe.recipe.to_yaml_pretty().into_diagnostic()?.as_str()),
+            path: recipe_path.clone(),
+        };
+
+        // Construct a `VariantConfig` based on the input parameters. We only
+        // have a single variant here so we can just use the variant from the
+        // parameters.
+        let variant_config = VariantConfig {
+            variants: params
+                .output
+                .variant
+                .iter()
+                .map(|(k, v)| (k.as_str().into(), vec![Variable::from_string(v)]))
+                .collect(),
+            pin_run_as_build: None,
+            zip_keys: None,
+        };
+
+        // Determine the different outputs that are supported by the recipe.
+        let selector_config_for_variants = SelectorConfig {
+            target_platform: host_platform,
+            host_platform,
+            build_platform,
+            hash: None,
+            variant: Default::default(),
+            experimental: false,
+            allow_undefined: false,
+            recipe_path: Some(self.source_dir.join(&self.manifest_rel_path)),
+        };
+        let outputs = find_outputs_from_src(named_source.clone())?;
+        let discovered_outputs = variant_config.find_variants(
+            &outputs,
+            named_source.clone(),
+            &selector_config_for_variants,
+        )?;
+        let discovered_output = find_matching_output(&params.output, discovered_outputs)?;
+
+        // Set up the proper directories for the build.
+        let directories = conda_build_v1_directories(
+            params.host_prefix.as_ref().map(|p| p.prefix.as_path()),
+            params.build_prefix.as_ref().map(|p| p.prefix.as_path()),
+            params.work_directory.clone(),
+            self.cache_dir.as_deref(),
+            self.source_dir.clone(),
+            params.output_directory.as_deref(),
+            recipe_path,
+        );
+
+        let tool_config = Configuration::builder()
+            .with_opt_cache_dir(self.cache_dir.clone())
+            .with_logging_output_handler(self.logging_output_handler.clone())
+            .with_testing(false)
+            // Pixi is incremental so keep the build
+            .with_keep_build(true)
+            // This indicates that the environments are externally managed, e.g. they are already
+            // prepared.
+            .with_environments_externally_managed(true)
+            .finish();
+
+        let output = Output {
+            recipe: discovered_output.recipe,
+            build_configuration: BuildConfiguration {
+                target_platform: discovered_output.target_platform,
+                host_platform: PlatformWithVirtualPackages {
+                    platform: host_platform,
+                    virtual_packages: vec![],
+                },
+                build_platform: PlatformWithVirtualPackages {
+                    platform: build_platform,
+                    virtual_packages: vec![],
+                },
+                hash: discovered_output.hash,
+                variant: discovered_output.used_vars.clone(),
+                directories,
+                channels: vec![],
+                channel_priority: Default::default(),
+                solve_strategy: Default::default(),
+                timestamp: chrono::Utc::now(),
+                subpackages: BTreeMap::new(),
+                packaging_settings: PackagingSettings::from_args(
+                    ArchiveType::Conda,
+                    CompressionLevel::default(),
+                ),
+                store_recipe: false,
+                force_colors: true,
+                sandbox_config: None,
+                debug: Debug::new(false),
+                exclude_newer: None,
+            },
+            // TODO: We should pass these values to the build backend from pixi
+            finalized_dependencies: Some(FinalizedDependencies {
+                build: Some(ResolvedDependencies {
+                    specs: vec![],
+                    resolved: vec![],
+                }),
+                host: Some(ResolvedDependencies {
+                    specs: vec![],
+                    resolved: vec![],
+                }),
+                run: FinalizedRunDependencies {
+                    depends: vec![],
+                    constraints: vec![],
+                    run_exports: Default::default(),
+                },
+            }),
+            finalized_sources: None,
+            finalized_cache_dependencies: None,
+            finalized_cache_sources: None,
+            build_summary: Arc::default(),
+            system_tools: Default::default(),
+            extra_meta: None,
+        };
+
+        let (output, output_path) = run_build(output, &tool_config).await?;
+
+        // Extract the input globs from the build and recipe
+        let mut input_globs = T::extract_input_globs_from_build(
+            &self.config,
+            &params.work_directory,
+            params.editable.unwrap_or_default(),
+        );
+        input_globs.append(&mut recipe.build_input_globs);
+
+        Ok(CondaBuildV1Result {
+            output_file: output_path,
+            input_globs,
+            name: output.name().as_normalized().to_string(),
+            version: output.version().clone(),
+            build: output.build_string().into_owned(),
+            subdir: *output.target_platform(),
+        })
+    }
+}
+
+pub fn find_matching_output(
+    expected_output: &CondaBuildV1Output,
+    discovered_outputs: IndexSet<DiscoveredOutput>,
+) -> miette::Result<DiscoveredOutput> {
+    // Find the only output that matches the request.
+    let discovered_output = discovered_outputs
+        .into_iter()
+        .find(|output| {
+            expected_output.name.as_normalized() == output.name
+                && expected_output
+                    .build
+                    .as_ref()
+                    .is_none_or(|build_string| build_string == &output.build_string)
+                && expected_output
+                    .version
+                    .as_ref()
+                    .is_none_or(|version| version == &output.recipe.package.version)
+                && expected_output.subdir == output.target_platform
+                && !output.recipe.build.skip()
+        })
+        .ok_or_else(|| {
+            miette::miette!(
+                "the requested output {}/{}={}@{} was not found in the recipe",
+                expected_output.name.as_source(),
+                expected_output
+                    .version
+                    .as_ref()
+                    .map_or_else(|| String::from("??"), |v| v.as_str().into_owned()),
+                expected_output.build.as_deref().unwrap_or("??"),
+                expected_output.subdir
+            )
+        })?;
+    Ok(discovered_output)
+}
+
+pub fn conda_build_v1_directories(
+    host_prefix: Option<&Path>,
+    build_prefix: Option<&Path>,
+    work_directory: PathBuf,
+    cache_dir: Option<&Path>,
+    source_dir: PathBuf,
+    output_dir: Option<&Path>,
+    recipe_path: PathBuf,
+) -> Directories {
+    Directories {
+        recipe_dir: source_dir,
+        recipe_path,
+        cache_dir: cache_dir
+            .map(Path::to_path_buf)
+            .unwrap_or_else(|| work_directory.join("cache")),
+        host_prefix: host_prefix
+            .map(Path::to_path_buf)
+            .unwrap_or_else(|| work_directory.join("host")),
+        build_prefix: build_prefix
+            .map(Path::to_path_buf)
+            .unwrap_or_else(|| work_directory.join("build")),
+        work_dir: work_directory.join("work"),
+        output_dir: output_dir
+            .map(Path::to_path_buf)
+            .unwrap_or_else(|| work_directory.join("output")),
+        build_dir: work_directory,
+    }
 }
 
 /// Returns the capabilities for this backend
@@ -772,6 +1245,8 @@ fn default_capabilities() -> BackendCapabilities {
     BackendCapabilities {
         provides_conda_metadata: Some(true),
         provides_conda_build: Some(true),
+        provides_conda_outputs: Some(true),
+        provides_conda_build_v1: Some(true),
         highest_supported_project_model: Some(
             pixi_build_types::VersionedProjectModel::highest_version(),
         ),
diff --git a/crates/pixi-build-backend/src/protocol.rs b/crates/pixi-build-backend/src/protocol.rs
index b9c406c9..65e28831 100644
--- a/crates/pixi-build-backend/src/protocol.rs
+++ b/crates/pixi-build-backend/src/protocol.rs
@@ -1,7 +1,9 @@
 use std::path::{Path, PathBuf};
 
+use pixi_build_types::procedures::conda_build_v1::{CondaBuildV1Params, CondaBuildV1Result};
+use pixi_build_types::procedures::conda_outputs::{CondaOutputsParams, CondaOutputsResult};
 use pixi_build_types::procedures::{
-    conda_build::{CondaBuildParams, CondaBuildResult},
+    conda_build_v0::{CondaBuildParams, CondaBuildResult},
     conda_metadata::{CondaMetadataParams, CondaMetadataResult},
     initialize::{InitializeParams, InitializeResult},
     negotiate_capabilities::{NegotiateCapabilitiesParams, NegotiateCapabilitiesResult},
@@ -47,7 +49,23 @@ pub trait Protocol {
     }
 
     /// Called when the client requests to build a Conda package.
-    async fn conda_build(&self, _params: CondaBuildParams) -> miette::Result<CondaBuildResult> {
+    async fn conda_build_v0(&self, _params: CondaBuildParams) -> miette::Result<CondaBuildResult> {
         unimplemented!("conda_build not implemented");
     }
+
+    /// Called when the client requests outputs for a Conda package.
+    async fn conda_outputs(
+        &self,
+        _params: CondaOutputsParams,
+    ) -> miette::Result<CondaOutputsResult> {
+        unimplemented!("conda_outputs not implemented");
+    }
+
+    /// Called when the client calls `conda/build_v2`.
+    async fn conda_build_v1(
+        &self,
+        _params: CondaBuildV1Params,
+    ) -> miette::Result<CondaBuildV1Result> {
+        unimplemented!("conda_build_v1 not implemented");
+    }
 }
diff --git a/crates/pixi-build-backend/src/rattler_build_integration.rs b/crates/pixi-build-backend/src/rattler_build_integration.rs
index 42b6d19b..404deaa5 100644
--- a/crates/pixi-build-backend/src/rattler_build_integration.rs
+++ b/crates/pixi-build-backend/src/rattler_build_integration.rs
@@ -14,8 +14,8 @@ use rattler_build::{
     tool_configuration,
     variant_config::VariantConfig,
 };
+use rattler_conda_types::compression_level::CompressionLevel;
 use rattler_conda_types::{GenericVirtualPackage, NamedChannelOrUrl, package::ArchiveType};
-use rattler_package_streaming::write::CompressionLevel;
 use url::Url;
 
 use crate::{generated_recipe::GeneratedRecipe, utils::TemporaryRenderedRecipe};
@@ -140,6 +140,7 @@ pub async fn get_build_output(
                     &output_dir,
                     true,
                     &timestamp,
+                    recipe.build().merge_build_and_host_envs,
                 )
                 .into_diagnostic()?,
                 channels,
@@ -155,6 +156,7 @@ pub async fn get_build_output(
                 sandbox_config: None,
                 debug: Debug::default(),
                 solve_strategy: Default::default(),
+                exclude_newer: None,
             },
             finalized_dependencies: None,
             finalized_sources: None,
diff --git a/crates/pixi-build-backend/src/server.rs b/crates/pixi-build-backend/src/server.rs
index 71ba5da1..070619b6 100644
--- a/crates/pixi-build-backend/src/server.rs
+++ b/crates/pixi-build-backend/src/server.rs
@@ -3,12 +3,14 @@ use std::{net::SocketAddr, path::Path, sync::Arc};
 use fs_err::tokio as tokio_fs;
 use jsonrpc_core::{Error, IoHandler, Params, serde_json, to_value};
 use miette::{Context, IntoDiagnostic, JSONReportHandler};
-use pixi_build_types::VersionedProjectModel;
-use pixi_build_types::procedures::{
-    self, conda_build::CondaBuildParams, conda_metadata::CondaMetadataParams,
-    initialize::InitializeParams, negotiate_capabilities::NegotiateCapabilitiesParams,
+use pixi_build_types::{
+    VersionedProjectModel,
+    procedures::{
+        self, conda_build_v0::CondaBuildParams, conda_build_v1::CondaBuildV1Params,
+        conda_metadata::CondaMetadataParams, conda_outputs::CondaOutputsParams,
+        initialize::InitializeParams, negotiate_capabilities::NegotiateCapabilitiesParams,
+    },
 };
-
 use tokio::sync::RwLock;
 
 use crate::protocol::{Protocol, ProtocolInstantiator};
@@ -128,9 +130,34 @@ impl<T: ProtocolInstantiator> Server<T> {
             },
         );
 
+        let conda_outputs = state.clone();
+        io.add_method(
+            procedures::conda_outputs::METHOD_NAME,
+            move |params: Params| {
+                let state = conda_outputs.clone();
+
+                async move {
+                    let params: CondaOutputsParams = params.parse()?;
+                    let state = state.read().await;
+                    let endpoint = state.as_endpoint()?;
+
+                    let debug_dir = endpoint.debug_dir();
+                    log_conda_outputs(debug_dir, &params)
+                        .await
+                        .map_err(convert_error)?;
+
+                    endpoint
+                        .conda_outputs(params)
+                        .await
+                        .map(|value| to_value(value).expect("failed to convert to json"))
+                        .map_err(convert_error)
+                }
+            },
+        );
+
         let conda_build = state.clone();
         io.add_method(
-            procedures::conda_build::METHOD_NAME,
+            procedures::conda_build_v0::METHOD_NAME,
             move |params: Params| {
                 let state = conda_build.clone();
 
@@ -145,7 +172,32 @@ impl<T: ProtocolInstantiator> Server<T> {
                         .map_err(convert_error)?;
 
                     endpoint
-                        .conda_build(params)
+                        .conda_build_v0(params)
+                        .await
+                        .map(|value| to_value(value).expect("failed to convert to json"))
+                        .map_err(convert_error)
+                }
+            },
+        );
+
+        let conda_build_v1 = state.clone();
+        io.add_method(
+            procedures::conda_build_v1::METHOD_NAME,
+            move |params: Params| {
+                let state = conda_build_v1.clone();
+
+                async move {
+                    let params: CondaBuildV1Params = params.parse()?;
+                    let state = state.read().await;
+                    let endpoint = state.as_endpoint()?;
+
+                    let debug_dir = endpoint.debug_dir();
+                    log_conda_build_v1(debug_dir, &params)
+                        .await
+                        .map_err(convert_error)?;
+
+                    endpoint
+                        .conda_build_v1(params)
                         .await
                         .map(|value| to_value(value).expect("failed to convert to json"))
                         .map_err(convert_error)
@@ -221,6 +273,31 @@ async fn log_conda_get_metadata(
     Ok(())
 }
 
+async fn log_conda_outputs(
+    debug_dir: Option<&Path>,
+    params: &CondaOutputsParams,
+) -> miette::Result<()> {
+    let Some(debug_dir) = debug_dir else {
+        return Ok(());
+    };
+
+    let json = serde_json::to_string_pretty(&params)
+        .into_diagnostic()
+        .context("failed to serialize parameters to JSON")?;
+
+    tokio_fs::create_dir_all(&debug_dir)
+        .await
+        .into_diagnostic()
+        .context("failed to create data directory")?;
+
+    let path = debug_dir.join("conda_outputs_params.json");
+    tokio_fs::write(&path, json)
+        .await
+        .into_diagnostic()
+        .context("failed to write JSON to file")?;
+    Ok(())
+}
+
 async fn log_conda_build(
     debug_dir: Option<&Path>,
     params: &CondaBuildParams,
@@ -245,3 +322,28 @@ async fn log_conda_build(
         .context("failed to write JSON to file")?;
     Ok(())
 }
+
+async fn log_conda_build_v1(
+    debug_dir: Option<&Path>,
+    params: &CondaBuildV1Params,
+) -> miette::Result<()> {
+    let Some(debug_dir) = debug_dir else {
+        return Ok(());
+    };
+
+    let json = serde_json::to_string_pretty(&params)
+        .into_diagnostic()
+        .context("failed to serialize parameters to JSON")?;
+
+    tokio_fs::create_dir_all(&debug_dir)
+        .await
+        .into_diagnostic()
+        .context("failed to create data directory")?;
+
+    let path = debug_dir.join("conda_build_v1_params.json");
+    tokio_fs::write(&path, json)
+        .await
+        .into_diagnostic()
+        .context("failed to write JSON to file")?;
+    Ok(())
+}
diff --git a/crates/pixi-build-backend/src/specs_conversion.rs b/crates/pixi-build-backend/src/specs_conversion.rs
index 43eb7598..2811761e 100644
--- a/crates/pixi-build-backend/src/specs_conversion.rs
+++ b/crates/pixi-build-backend/src/specs_conversion.rs
@@ -1,7 +1,7 @@
 use std::{path::Path, str::FromStr};
 
-use indexmap::IndexMap;
 use miette::IntoDiagnostic;
+use ordermap::OrderMap;
 use pixi_build_types::{
     GitSpecV1, PackageSpecV1, SourcePackageSpecV1, TargetV1, TargetsV1, UrlSpecV1,
 };
@@ -13,17 +13,14 @@ use recipe_stage0::{
 };
 use url::Url;
 
-pub fn from_source_matchspec_into_package_spec(
-    source_matchspec: SourceMatchSpec,
-) -> miette::Result<SourcePackageSpecV1> {
-    let source_url = source_matchspec.location;
+pub fn from_source_url_to_source_package(source_url: Url) -> Option<SourcePackageSpecV1> {
     match source_url.scheme() {
-        "source" => Ok(SourcePackageSpecV1::Path(pixi_build_types::PathSpecV1 {
+        "source" => Some(SourcePackageSpecV1::Path(pixi_build_types::PathSpecV1 {
             path: SafeRelativePathUrl::from(source_url).to_path(),
         })),
         "http" | "https" => {
             // For now, we only support URL sources with no checksums.
-            Ok(SourcePackageSpecV1::Url(UrlSpecV1 {
+            Some(SourcePackageSpecV1::Url(UrlSpecV1 {
                 url: source_url,
                 md5: None,
                 sha256: None,
@@ -32,16 +29,23 @@ pub fn from_source_matchspec_into_package_spec(
         "git" => {
             // For git URLs, we can only support the URL without any additional metadata.
             // This is a limitation of the current implementation.
-            Ok(SourcePackageSpecV1::Git(GitSpecV1 {
+            Some(SourcePackageSpecV1::Git(GitSpecV1 {
                 git: source_url,
                 rev: None,
                 subdirectory: None,
             }))
         }
-        _ => unimplemented!("Only file, http/https and git are supported for now"),
+        _ => None,
     }
 }
 
+pub fn from_source_matchspec_into_package_spec(
+    source_matchspec: SourceMatchSpec,
+) -> miette::Result<SourcePackageSpecV1> {
+    from_source_url_to_source_package(source_matchspec.location)
+        .ok_or_else(|| miette::miette!("Only file, http/https and git are supported for now"))
+}
+
 pub fn from_targets_v1_to_conditional_requirements(targets: &TargetsV1) -> ConditionalRequirements {
     let mut build_items = ConditionalList::new();
     let mut host_items = ConditionalList::new();
@@ -198,7 +202,7 @@ pub(crate) fn source_package_spec_to_package_dependency(
 }
 
 pub(crate) fn package_specs_to_package_dependency(
-    specs: IndexMap<String, PackageSpecV1>,
+    specs: OrderMap<String, PackageSpecV1>,
 ) -> miette::Result<Vec<PackageDependency>> {
     specs
         .into_iter()
diff --git a/crates/pixi-build-backend/src/tools.rs b/crates/pixi-build-backend/src/tools.rs
index 8022e8ac..5e78dcfe 100644
--- a/crates/pixi-build-backend/src/tools.rs
+++ b/crates/pixi-build-backend/src/tools.rs
@@ -1,6 +1,7 @@
 use std::{
-    collections::{BTreeMap, HashMap},
+    collections::{BTreeMap, BTreeSet},
     path::{Path, PathBuf},
+    sync::Arc,
 };
 
 use indexmap::IndexSet;
@@ -20,10 +21,11 @@ use rattler_build::{
     },
     selectors::SelectorConfig,
     system_tools::SystemTools,
-    variant_config::{DiscoveredOutput, ParseErrors, VariantConfig},
+    variant_config::{DiscoveredOutput, ParseErrors, VariantConfig, VariantConfigError},
+};
+use rattler_conda_types::{
+    GenericVirtualPackage, Platform, compression_level::CompressionLevel, package::ArchiveType,
 };
-use rattler_conda_types::{GenericVirtualPackage, Platform, package::ArchiveType};
-use rattler_package_streaming::write::CompressionLevel;
 use rattler_virtual_packages::VirtualPackageOverrides;
 use url::Url;
 
@@ -47,6 +49,67 @@ pub struct RattlerBuild {
     pub work_directory: PathBuf,
 }
 
+/// Variant configuration that was loaded from the recipe.
+#[derive(Debug)]
+pub struct LoadedVariantConfig {
+    /// The variant configuration that was loaded.
+    pub variant_config: VariantConfig,
+
+    /// Input globs that identity the files that were loaded.
+    pub input_globs: BTreeSet<String>,
+}
+
+impl LoadedVariantConfig {
+    /// Load variant configuration from a recipe path. This checks if there is a
+    /// `variants.yaml` and loads it alongside the recipe.
+    pub fn from_recipe_path(
+        source_dir: &Path,
+        recipe_path: &Path,
+        selector_config: &SelectorConfig,
+    ) -> Result<Self, VariantConfigError<Arc<str>>> {
+        let mut variant_files = Vec::new();
+        let mut input_globs = BTreeSet::new();
+
+        // Check if there is a `variants.yaml` file next to the recipe that we should
+        // potentially use.
+        if let Some(variant_path) = recipe_path
+            .parent()
+            .map(|parent| parent.join(VARIANTS_CONFIG_FILE))
+        {
+            if let Some(path) = pathdiff::diff_paths(&variant_path, source_dir) {
+                // Normalize paths on windows
+                let normalized_path = if cfg!(target_os = "windows") {
+                    path.to_string_lossy().replace("\\", "/")
+                } else {
+                    path.to_string_lossy().to_string()
+                };
+                input_globs.insert(normalized_path);
+            }
+            if variant_path.is_file() {
+                variant_files.push(variant_path);
+            }
+        };
+
+        Ok(Self {
+            variant_config: VariantConfig::from_files(&variant_files, selector_config)?,
+            input_globs,
+        })
+    }
+
+    pub fn extend_with_input_variants(
+        mut self,
+        input_variant_configuration: &BTreeMap<String, Vec<String>>,
+    ) -> Self {
+        for (k, v) in input_variant_configuration {
+            let variables = v.iter().map(|v| Variable::from_string(v)).collect();
+            self.variant_config
+                .variants
+                .insert(k.as_str().into(), variables);
+        }
+        self
+    }
+}
+
 pub enum OneOrMultipleOutputs {
     Single(String),
     OneOfMany(String),
@@ -84,13 +147,14 @@ impl RattlerBuild {
             variant: Default::default(),
             experimental: true,
             allow_undefined: false,
+            recipe_path: None,
         }
     }
 
     /// Discover the outputs from the recipe.
     pub fn discover_outputs(
         &self,
-        variant_config_input: &Option<HashMap<String, Vec<String>>>,
+        variant_config_input: &Option<BTreeMap<String, Vec<String>>>,
     ) -> miette::Result<IndexSet<DiscoveredOutput>> {
         // First find all outputs from the recipe
         let outputs = find_outputs_from_src(self.recipe_source.clone())?;
@@ -157,6 +221,7 @@ impl RattlerBuild {
                 build_platform: self.selector_config.build_platform,
                 experimental: true,
                 allow_undefined: false,
+                recipe_path: Some(self.recipe_source.path.clone()),
             };
 
             let mut recipe = Recipe::from_node(&discovered_output.node, selector_config.clone())
@@ -252,6 +317,7 @@ impl RattlerBuild {
                     force_colors: true,
                     sandbox_config: None,
                     debug: Debug::new(false),
+                    exclude_newer: None,
                 },
                 finalized_dependencies: None,
                 finalized_cache_dependencies: None,
diff --git a/crates/pixi-build-backend/src/traits/package_spec.rs b/crates/pixi-build-backend/src/traits/package_spec.rs
index 817db7f3..ea116d04 100644
--- a/crates/pixi-build-backend/src/traits/package_spec.rs
+++ b/crates/pixi-build-backend/src/traits/package_spec.rs
@@ -8,8 +8,7 @@
 //! * [`BinarySpecExt`] - Extension for converting binary specs to nameless
 //!   match specs
 
-use std::fmt::Debug;
-use std::sync::Arc;
+use std::{fmt::Debug, sync::Arc};
 
 use miette::IntoDiagnostic;
 use pixi_build_types::{self as pbt};
@@ -63,6 +62,8 @@ impl PackageSpec for pbt::PackageSpecV1 {
                     subdir,
                     md5,
                     sha256,
+                    url,
+                    license,
                 } = &**boxed_spec;
 
                 version == &Some(rattler_conda_types::VersionSpec::Any)
@@ -73,6 +74,8 @@ impl PackageSpec for pbt::PackageSpecV1 {
                     && subdir.is_none()
                     && md5.is_none()
                     && sha256.is_none()
+                    && url.is_none()
+                    && license.is_none()
             }
             _ => false,
         }
@@ -124,12 +127,12 @@ impl BinarySpecExt for pbt::BinaryPackageSpecV1 {
                 .as_ref()
                 .map(|url| Arc::new(Channel::from_url(url.clone()))),
             subdir: self.subdir.clone(),
-            md5: self.md5.as_ref().map(|m| m.0),
-            sha256: self.sha256.as_ref().map(|s| s.0),
-            namespace: None,
-            url: None,
+            md5: self.md5,
+            sha256: self.sha256,
+            url: self.url.clone(),
+            license: self.license.clone(),
             extras: None,
-            license: None,
+            namespace: None,
         }
     }
 }
diff --git a/crates/pixi-build-backend/src/utils/mod.rs b/crates/pixi-build-backend/src/utils/mod.rs
index 9253d113..dce8a7c8 100644
--- a/crates/pixi-build-backend/src/utils/mod.rs
+++ b/crates/pixi-build-backend/src/utils/mod.rs
@@ -1,3 +1,4 @@
 mod temporary_recipe;
+pub mod test;
 
 pub use temporary_recipe::TemporaryRenderedRecipe;
diff --git a/crates/pixi-build-backend/src/utils/test.rs b/crates/pixi-build-backend/src/utils/test.rs
new file mode 100644
index 00000000..2370ade3
--- /dev/null
+++ b/crates/pixi-build-backend/src/utils/test.rs
@@ -0,0 +1,100 @@
+use std::{collections::BTreeMap, path::PathBuf};
+
+use pixi_build_types::procedures::{
+    conda_outputs::{CondaOutputsParams, CondaOutputsResult},
+    initialize::InitializeParams,
+};
+use rattler_build::console_utils::LoggingOutputHandler;
+use rattler_conda_types::Platform;
+use serde_json::Value;
+
+use crate::{
+    generated_recipe::GenerateRecipe, intermediate_backend::IntermediateBackendInstantiator,
+    protocol::ProtocolInstantiator,
+};
+
+/// A utility function to remove empty values from a JSON object.
+pub(crate) fn remove_empty_values(value: &mut Value) {
+    fn keep_value(value: &Value) -> bool {
+        match value {
+            Value::Object(map) => !map.is_empty(),
+            Value::Array(arr) => !arr.is_empty(),
+            Value::Null => false,
+            _ => true,
+        }
+    }
+
+    match value {
+        Value::Object(map) => {
+            map.retain(|_, v| {
+                remove_empty_values(v);
+                keep_value(v)
+            });
+        }
+        Value::Array(arr) => {
+            arr.retain_mut(|v| {
+                remove_empty_values(v);
+                keep_value(v)
+            });
+        }
+        _ => {}
+    }
+}
+
+/// Calls the `conda/outputs` procedure of the `IntermediateBackend` for the
+/// given recipe general and with the given project model.
+///
+/// Returns a pretty-printed JSON string of the outputs that can be used for
+/// snapshots
+pub fn intermediate_conda_outputs_snapshot<T>(
+    project_model: Option<pixi_build_types::ProjectModelV1>,
+    source_dir: Option<PathBuf>,
+    host_platform: Platform,
+    variant_configuration: Option<BTreeMap<String, Vec<String>>>,
+) -> String
+where
+    T: GenerateRecipe + Default + Clone + Send + Sync + 'static,
+    <T as GenerateRecipe>::Config: Send + Sync + 'static,
+{
+    let manifest_path = match &source_dir {
+        Some(dir) => dir.join("pixi.toml"),
+        None => PathBuf::from("pixi.toml"),
+    };
+    let runtime = tokio::runtime::Builder::new_current_thread()
+        .build()
+        .unwrap();
+    runtime.block_on(async move {
+        let (protocol, _result) =
+            IntermediateBackendInstantiator::<T>::new(LoggingOutputHandler::default())
+                .initialize(InitializeParams {
+                    source_dir,
+                    manifest_path,
+                    project_model: project_model.map(Into::into),
+                    configuration: None,
+                    cache_directory: None,
+                })
+                .await
+                .unwrap();
+
+        let current_dir = std::env::current_dir().unwrap();
+        let result = protocol
+            .conda_outputs(CondaOutputsParams {
+                host_platform,
+                build_platform: host_platform,
+                variant_configuration,
+                work_directory: current_dir,
+            })
+            .await
+            .unwrap();
+
+        conda_outputs_snapshot(result)
+    })
+}
+
+/// A function to convert a `CondaOutputsResult` into a pretty-printed JSON
+/// string.
+pub fn conda_outputs_snapshot(result: CondaOutputsResult) -> String {
+    let mut value = serde_json::to_value(result).unwrap();
+    remove_empty_values(&mut value);
+    serde_json::to_string_pretty(&value).unwrap()
+}
diff --git a/crates/pixi-build-backend/src/variants.rs b/crates/pixi-build-backend/src/variants.rs
index 8d4448ee..429782b1 100644
--- a/crates/pixi-build-backend/src/variants.rs
+++ b/crates/pixi-build-backend/src/variants.rs
@@ -1,7 +1,8 @@
 use pixi_build_types as pbt;
 use rattler_conda_types::VersionSpec;
 
-/// Returns true if the specified [`pbt::PackageSpecV1`] is a valid variant spec.
+/// Returns true if the specified [`pbt::PackageSpecV1`] is a valid variant
+/// spec.
 ///
 /// At the moment, a spec that allows any version is considered a variant spec.
 pub fn can_be_used_as_variant(spec: &pbt::PackageSpecV1) -> bool {
@@ -16,6 +17,8 @@ pub fn can_be_used_as_variant(spec: &pbt::PackageSpecV1) -> bool {
                 subdir,
                 md5,
                 sha256,
+                url,
+                license,
             } = &**boxed_spec;
 
             version == &Some(VersionSpec::Any)
@@ -26,6 +29,8 @@ pub fn can_be_used_as_variant(spec: &pbt::PackageSpecV1) -> bool {
                 && subdir.is_none()
                 && md5.is_none()
                 && sha256.is_none()
+                && url.is_none()
+                && license.is_none()
         }
         _ => false,
     }
diff --git a/crates/pixi-build-backend/tests/integration/common/model.rs b/crates/pixi-build-backend/tests/integration/common/model.rs
index 1814031f..8b9aee4b 100644
--- a/crates/pixi-build-backend/tests/integration/common/model.rs
+++ b/crates/pixi-build-backend/tests/integration/common/model.rs
@@ -190,6 +190,8 @@ fn convert_package_spec_to_v1(spec: &PackageSpec) -> PackageSpecV1 {
                 subdir: None,
                 md5: None,
                 sha256: None,
+                url: None,
+                license: None,
             }))
         }
         PackageSpec::Source(source_spec) => {
diff --git a/crates/pixi-build-backend/tests/integration/protocol.rs b/crates/pixi-build-backend/tests/integration/protocol.rs
index 7128df68..98a5c0ca 100644
--- a/crates/pixi-build-backend/tests/integration/protocol.rs
+++ b/crates/pixi-build-backend/tests/integration/protocol.rs
@@ -3,7 +3,7 @@ use imp::TestGenerateRecipe;
 use pixi_build_backend::{intermediate_backend::IntermediateBackend, protocol::Protocol};
 use pixi_build_types::{
     ChannelConfiguration, PlatformAndVirtualPackages,
-    procedures::{conda_build::CondaBuildParams, conda_metadata::CondaMetadataParams},
+    procedures::{conda_build_v0::CondaBuildParams, conda_metadata::CondaMetadataParams},
 };
 use rattler_build::console_utils::LoggingOutputHandler;
 use rattler_conda_types::Platform;
@@ -98,6 +98,7 @@ async fn test_conda_get_metadata() {
 
     let intermediate_backend = IntermediateBackend::<TestGenerateRecipe>::new(
         pixi_manifest.clone(),
+        Some(tmp_dir_path.clone()),
         project_model_v1,
         TestGenerateRecipe::default(),
         some_config,
@@ -157,6 +158,7 @@ async fn test_conda_build() {
 
     let intermediate_backend = IntermediateBackend::new(
         pixi_manifest.clone(),
+        Some(tmp_dir_path.clone()),
         project_model_v1,
         TestGenerateRecipe::default(),
         some_config,
@@ -166,7 +168,7 @@ async fn test_conda_build() {
     .unwrap();
 
     let conda_build_result = intermediate_backend
-        .conda_build(build_params)
+        .conda_build_v0(build_params)
         .await
         .unwrap();
 
diff --git a/crates/pixi-build-cmake/Cargo.toml b/crates/pixi-build-cmake/Cargo.toml
index 89445486..c5a5b684 100644
--- a/crates/pixi-build-cmake/Cargo.toml
+++ b/crates/pixi-build-cmake/Cargo.toml
@@ -4,26 +4,19 @@ version = "0.2.0"
 edition.workspace = true
 
 [dependencies]
-async-trait = { workspace = true }
-chrono = { workspace = true }
 indexmap = { workspace = true }
 miette = { workspace = true }
 minijinja = { workspace = true }
-rattler_conda_types = { workspace = true }
-rattler_package_streaming = { workspace = true }
+pixi-build-backend = { workspace = true }
+pixi_build_types = { workspace = true }
 rattler-build = { workspace = true }
+rattler_conda_types = { workspace = true }
+recipe-stage0 = { workspace = true }
 serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true }
-tempfile = { workspace = true }
 tokio = { workspace = true, features = ["macros"] }
 
-pixi-build-backend = { workspace = true }
-
-pixi_build_types = { workspace = true }
-pixi_manifest = { workspace = true }
-pixi_build_type_conversions = { workspace = true }
-
-recipe-stage0 = { workspace = true }
-
 [dev-dependencies]
-insta = { version = "1.42.1", features = ["yaml", "redactions", "filters"] }
+insta = { workspace = true, features = ["yaml", "redactions", "filters"] }
+rstest = { workspace = true }
+strum = { workspace = true }
diff --git a/crates/pixi-build-cmake/src/build_script.j2 b/crates/pixi-build-cmake/src/build_script.j2
index 83d3a487..e90de958 100644
--- a/crates/pixi-build-cmake/src/build_script.j2
+++ b/crates/pixi-build-cmake/src/build_script.j2
@@ -1,45 +1,59 @@
+{%- set is_cmd_exe = build_platform == "windows" -%}
+{%- macro env(key) -%}
+{%- if is_cmd_exe %}{{ "%" ~ key ~ "%" }}{% else %}{{ "$" ~key }}{% endif -%}
+{% endmacro -%}
+
+{# - Set up common variables -#}
+{%- set build_dir = "build" -%}
+{%- set source_dir = env("SRC_DIR") -%}
+{%- set library_prefix =  "%LIBRARY_PREFIX%" if build_platform == "windows" else "$PREFIX" -%}
+
+{# Set up default CMake arguments -#}
+{%- set cmake_args = [
+    env("CMAKE_ARGS"),
+    "-GNinja",
+    "-S \"" ~ source_dir ~ "\"",
+    "-DCMAKE_BUILD_TYPE=Release",
+    "-DCMAKE_INSTALL_PREFIX=" ~ library_prefix,
+    "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON",
+    "-DBUILD_SHARED_LIBS=ON",
+]
+-%}
+
+{# Add Python executable if available -#}
+{%- if has_host_python -%}
+{%- set cmake_args = cmake_args + [
+    "-DPython_EXECUTABLE=" ~ env("PYTHON")
+] -%}
+{% endif -%}
+
+{#- Output version information -#}
 ninja --version
 cmake --version
 
-{# Windows #}
-{% if build_platform == "windows" -%}
-if not exist %SRC_DIR%\..\build\build.ninja (
-    cmake %CMAKE_ARGS% ^
-          -GNinja ^
-          -DCMAKE_BUILD_TYPE=Release ^
-          -DCMAKE_INSTALL_PREFIX=%LIBRARY_PREFIX% ^
-          -DCMAKE_EXPORT_COMPILE_COMMANDS=ON ^
-          -DBUILD_SHARED_LIBS=ON ^
-          {% if has_host_python -%}
-          -DPython_EXECUTABLE="%PYTHON%" ^
-          {% endif -%}
-          {{ extra_args | join(" ") }} ^
-          -B %SRC_DIR%\..\build ^
-          -S "{{ source_dir }}"
+{# Set up the build directory -#}
+{% if is_cmd_exe -%}
+if not exist {{ build_dir }} mkdir {{ build_dir }}
+{% else -%}
+mkdir -p build
+{% endif -%}
+pushd build
+
+{# Windows -#}
+{% if is_cmd_exe -%}
+if not exist build.ninja (
+    cmake {{ cmake_args | join(" ^\n        ") }}
     @if errorlevel 1 exit 1
 )
-cmake --build %SRC_DIR%\..\build --target install
+
+cmake --build . --target install
 @if errorlevel 1 exit 1
 
 {# Non Windows #}
 {% else -%}
-if [ ! -f "$SRC_DIR/../build/build.ninja" ]; then
-    cmake $CMAKE_ARGS \
-          -GNinja \
-          -DCMAKE_BUILD_TYPE=Release \
-          -DCMAKE_INSTALL_PREFIX=$PREFIX \
-          -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
-          {% if has_host_python -%}
-          -DPython_EXECUTABLE=$PYTHON \
-          {% endif -%}
-          -DBUILD_SHARED_LIBS=ON \
-          {{ extra_args | join(" ") }} \
-          -B $SRC_DIR/../build \
-          -S "{{ source_dir }}"
+if [ ! -f "build.ninja" ]; then
+    cmake {{ cmake_args | join(" \\\n        ") }}
 fi
-cmake --build $SRC_DIR/../build --target install
-{% endif -%}
 
-{% if build_platform == "windows" -%}
-@if errorlevel 1 exit 1
-{% endif %}
+cmake --build . --target install
+{% endif -%}
diff --git a/crates/pixi-build-cmake/src/build_script.rs b/crates/pixi-build-cmake/src/build_script.rs
index d96f78c3..819f83e4 100644
--- a/crates/pixi-build-cmake/src/build_script.rs
+++ b/crates/pixi-build-cmake/src/build_script.rs
@@ -12,8 +12,10 @@ pub struct BuildScriptContext {
     pub has_host_python: bool,
 }
 
-#[derive(Serialize)]
+#[derive(Copy, Clone, Serialize)]
 #[serde(rename_all = "kebab-case")]
+#[cfg_attr(test, derive(strum::Display))]
+#[cfg_attr(test, strum(serialize_all = "snake_case"))]
 pub enum BuildPlatform {
     Windows,
     Unix,
@@ -29,3 +31,38 @@ impl BuildScriptContext {
         rendered.lines().map(|s| s.to_string()).collect()
     }
 }
+
+#[cfg(test)]
+mod test {
+    use rstest::*;
+
+    use super::*;
+
+    #[rstest]
+    fn test_build_script(
+        #[values(BuildPlatform::Windows, BuildPlatform::Unix)] build_platform: BuildPlatform,
+        #[values(true, false)] has_host_python: bool,
+    ) {
+        let context = BuildScriptContext {
+            build_platform,
+            source_dir: String::from("my-prefix-dir"),
+            extra_args: vec![],
+            has_host_python,
+        };
+        let script = context.render();
+
+        let mut settings = insta::Settings::clone_current();
+        settings.set_snapshot_suffix(format!(
+            "{}-{}",
+            build_platform,
+            if has_host_python {
+                "python"
+            } else {
+                "nopython"
+            }
+        ));
+        settings.bind(|| {
+            insta::assert_snapshot!(script.join("\n"));
+        });
+    }
+}
diff --git a/crates/pixi-build-cmake/src/main.rs b/crates/pixi-build-cmake/src/main.rs
index 552876cc..b163669c 100644
--- a/crates/pixi-build-cmake/src/main.rs
+++ b/crates/pixi-build-cmake/src/main.rs
@@ -1,7 +1,10 @@
 mod build_script;
 mod config;
 
-use std::{collections::BTreeMap, path::Path};
+use std::{
+    collections::{BTreeMap, BTreeSet},
+    path::Path,
+};
 
 use build_script::{BuildPlatform, BuildScriptContext};
 use config::CMakeBackendConfig;
@@ -36,7 +39,7 @@ impl GenerateRecipe for CMakeGenerator {
 
         let requirements = &mut generated_recipe.recipe.requirements;
 
-        let resolved_requirements = requirements.resolve(Some(&host_platform));
+        let resolved_requirements = requirements.resolve(Some(host_platform));
 
         // Ensure the compiler function is added to the build requirements
         // only if a specific compiler is not already present.
@@ -93,7 +96,7 @@ impl GenerateRecipe for CMakeGenerator {
         config: &Self::Config,
         _workdir: impl AsRef<Path>,
         _editable: bool,
-    ) -> Vec<String> {
+    ) -> BTreeSet<String> {
         [
             // Source files
             "**/*.{c,cc,cxx,cpp,h,hpp,hxx}",
@@ -137,7 +140,12 @@ mod tests {
     use std::path::PathBuf;
 
     use indexmap::IndexMap;
-    use pixi_build_types::ProjectModelV1;
+    use pixi_build_backend::protocol::ProtocolInstantiator;
+    use pixi_build_types::{
+        ProjectModelV1,
+        procedures::{conda_outputs::CondaOutputsParams, initialize::InitializeParams},
+    };
+    use rattler_build::console_utils::LoggingOutputHandler;
 
     use super::*;
 
@@ -329,4 +337,46 @@ mod tests {
         ".build.script" => "[ ... script ... ]",
         });
     }
+
+    #[tokio::test]
+    async fn test_windows_default_compiler() {
+        let project_model = project_fixture!({
+            "name": "foobar",
+            "version": "0.1.0",
+        });
+
+        let factory =
+            IntermediateBackendInstantiator::<CMakeGenerator>::new(LoggingOutputHandler::default())
+                .initialize(InitializeParams {
+                    source_dir: None,
+                    manifest_path: PathBuf::from("pixi.toml"),
+                    project_model: Some(project_model.into()),
+                    configuration: None,
+                    cache_directory: None,
+                })
+                .await
+                .unwrap();
+
+        let current_dir = std::env::current_dir().unwrap();
+        let outputs = factory
+            .0
+            .conda_outputs(CondaOutputsParams {
+                host_platform: Platform::Win64,
+                build_platform: Platform::Win64,
+                variant_configuration: None,
+                work_directory: current_dir,
+            })
+            .await
+            .unwrap();
+
+        assert_eq!(
+            outputs.outputs[0]
+                .metadata
+                .variant
+                .get("cxx_compiler")
+                .map(String::as_str),
+            Some("vs2019"),
+            "On windows the default cxx_compiler variant should be vs2019"
+        );
+    }
 }
diff --git a/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__build_script__test__build_script@unix-nopython.snap b/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__build_script__test__build_script@unix-nopython.snap
new file mode 100644
index 00000000..cc3d9b05
--- /dev/null
+++ b/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__build_script__test__build_script@unix-nopython.snap
@@ -0,0 +1,21 @@
+---
+source: crates/pixi-build-cmake/src/build_script.rs
+expression: "script.join(\"\\n\")"
+---
+ninja --version
+cmake --version
+
+mkdir -p build
+pushd build
+
+if [ ! -f "build.ninja" ]; then
+    cmake $CMAKE_ARGS \
+        -GNinja \
+        -S "$SRC_DIR" \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_INSTALL_PREFIX=$PREFIX \
+        -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+        -DBUILD_SHARED_LIBS=ON
+fi
+
+cmake --build . --target install
diff --git a/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__build_script__test__build_script@unix-python.snap b/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__build_script__test__build_script@unix-python.snap
new file mode 100644
index 00000000..9ee43d61
--- /dev/null
+++ b/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__build_script__test__build_script@unix-python.snap
@@ -0,0 +1,22 @@
+---
+source: crates/pixi-build-cmake/src/build_script.rs
+expression: "script.join(\"\\n\")"
+---
+ninja --version
+cmake --version
+
+mkdir -p build
+pushd build
+
+if [ ! -f "build.ninja" ]; then
+    cmake $CMAKE_ARGS \
+        -GNinja \
+        -S "$SRC_DIR" \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_INSTALL_PREFIX=$PREFIX \
+        -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+        -DBUILD_SHARED_LIBS=ON \
+        -DPython_EXECUTABLE=$PYTHON
+fi
+
+cmake --build . --target install
diff --git a/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__build_script__test__build_script@windows-nopython.snap b/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__build_script__test__build_script@windows-nopython.snap
new file mode 100644
index 00000000..81bb36f6
--- /dev/null
+++ b/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__build_script__test__build_script@windows-nopython.snap
@@ -0,0 +1,23 @@
+---
+source: crates/pixi-build-cmake/src/build_script.rs
+expression: "script.join(\"\\n\")"
+---
+ninja --version
+cmake --version
+
+if not exist build mkdir build
+pushd build
+
+if not exist build.ninja (
+    cmake %CMAKE_ARGS% ^
+        -GNinja ^
+        -S "%SRC_DIR%" ^
+        -DCMAKE_BUILD_TYPE=Release ^
+        -DCMAKE_INSTALL_PREFIX=%LIBRARY_PREFIX% ^
+        -DCMAKE_EXPORT_COMPILE_COMMANDS=ON ^
+        -DBUILD_SHARED_LIBS=ON
+    @if errorlevel 1 exit 1
+)
+
+cmake --build . --target install
+@if errorlevel 1 exit 1
diff --git a/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__build_script__test__build_script@windows-python.snap b/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__build_script__test__build_script@windows-python.snap
new file mode 100644
index 00000000..fafe1923
--- /dev/null
+++ b/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__build_script__test__build_script@windows-python.snap
@@ -0,0 +1,24 @@
+---
+source: crates/pixi-build-cmake/src/build_script.rs
+expression: "script.join(\"\\n\")"
+---
+ninja --version
+cmake --version
+
+if not exist build mkdir build
+pushd build
+
+if not exist build.ninja (
+    cmake %CMAKE_ARGS% ^
+        -GNinja ^
+        -S "%SRC_DIR%" ^
+        -DCMAKE_BUILD_TYPE=Release ^
+        -DCMAKE_INSTALL_PREFIX=%LIBRARY_PREFIX% ^
+        -DCMAKE_EXPORT_COMPILE_COMMANDS=ON ^
+        -DBUILD_SHARED_LIBS=ON ^
+        -DPython_EXECUTABLE=%PYTHON%
+    @if errorlevel 1 exit 1
+)
+
+cmake --build . --target install
+@if errorlevel 1 exit 1
diff --git a/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__tests__input_globs_includes_extra_globs.snap b/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__tests__input_globs_includes_extra_globs.snap
index fb13d267..09ffb231 100644
--- a/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__tests__input_globs_includes_extra_globs.snap
+++ b/crates/pixi-build-cmake/src/snapshots/pixi_build_cmake__tests__input_globs_includes_extra_globs.snap
@@ -2,9 +2,9 @@
 source: crates/pixi-build-cmake/src/main.rs
 expression: result
 ---
-[
+{
     "**/*.{c,cc,cxx,cpp,h,hpp,hxx}",
     "**/*.{cmake,cmake.in}",
     "**/CMakeFiles.txt",
     "custom/*.c",
-]
+}
diff --git a/crates/pixi-build-python/src/main.rs b/crates/pixi-build-python/src/main.rs
index 125f9929..c9f133ac 100644
--- a/crates/pixi-build-python/src/main.rs
+++ b/crates/pixi-build-python/src/main.rs
@@ -1,11 +1,6 @@
 mod build_script;
 mod config;
 
-use std::{
-    path::{Path, PathBuf},
-    str::FromStr,
-};
-
 use build_script::{BuildPlatform, BuildScriptContext, Installer};
 use config::PythonBackendConfig;
 use miette::IntoDiagnostic;
@@ -17,6 +12,11 @@ use pixi_build_types::ProjectModelV1;
 use pyproject_toml::PyProjectToml;
 use rattler_conda_types::{PackageName, Platform, package::EntryPoint};
 use recipe_stage0::recipe::{NoArchKind, Python, Script};
+use std::collections::BTreeSet;
+use std::{
+    path::{Path, PathBuf},
+    str::FromStr,
+};
 
 #[derive(Default, Clone)]
 pub struct PythonGenerator {}
@@ -59,7 +59,7 @@ impl GenerateRecipe for PythonGenerator {
 
         let requirements = &mut generated_recipe.recipe.requirements;
 
-        let resolved_requirements = requirements.resolve(Some(&host_platform));
+        let resolved_requirements = requirements.resolve(Some(host_platform));
 
         // Ensure the python build tools are added to the `host` requirements.
         // Please note: this is a subtle difference for python, where the build tools are
@@ -124,7 +124,7 @@ impl GenerateRecipe for PythonGenerator {
         let pyproject_manifest = if pyproject_manifest_path.exists() {
             let contents = std::fs::read_to_string(&pyproject_manifest_path).into_diagnostic()?;
             generated_recipe.build_input_globs =
-                vec![pyproject_manifest_path.to_string_lossy().to_string()];
+                BTreeSet::from([pyproject_manifest_path.to_string_lossy().to_string()]);
             Some(toml_edit::de::from_str(&contents).into_diagnostic()?)
         } else {
             None
@@ -156,7 +156,7 @@ impl GenerateRecipe for PythonGenerator {
         config: &Self::Config,
         _workdir: impl AsRef<Path>,
         editable: bool,
-    ) -> Vec<String> {
+    ) -> BTreeSet<String> {
         let base_globs = Vec::from([
             // Source files
             "**/*.c",
diff --git a/crates/pixi-build-python/src/snapshots/pixi_build_python__tests__input_globs_includes_extra_globs.snap b/crates/pixi-build-python/src/snapshots/pixi_build_python__tests__input_globs_includes_extra_globs.snap
index 0184f94d..bb0492e5 100644
--- a/crates/pixi-build-python/src/snapshots/pixi_build_python__tests__input_globs_includes_extra_globs.snap
+++ b/crates/pixi-build-python/src/snapshots/pixi_build_python__tests__input_globs_includes_extra_globs.snap
@@ -2,31 +2,31 @@
 source: crates/pixi-build-python/src/main.rs
 expression: result
 ---
-[
+{
     "**/*.c",
     "**/*.cpp",
+    "**/*.json",
+    "**/*.py",
+    "**/*.pyx",
     "**/*.rs",
     "**/*.sh",
-    "**/*.json",
+    "**/*.txt",
     "**/*.yaml",
     "**/*.yml",
-    "**/*.txt",
-    "setup.py",
-    "setup.cfg",
-    "pyproject.toml",
-    "requirements*.txt",
+    "MANIFEST.in",
+    "Makefile",
     "Pipfile",
     "Pipfile.lock",
+    "VERSION",
+    "custom/*.py",
+    "docs/**/*.md",
+    "docs/**/*.rst",
     "poetry.lock",
-    "tox.ini",
-    "Makefile",
-    "MANIFEST.in",
+    "pyproject.toml",
+    "requirements*.txt",
+    "setup.cfg",
+    "setup.py",
     "tests/**/*.py",
-    "docs/**/*.rst",
-    "docs/**/*.md",
-    "VERSION",
+    "tox.ini",
     "version.py",
-    "**/*.py",
-    "**/*.pyx",
-    "custom/*.py",
-]
+}
diff --git a/crates/pixi-build-python/src/snapshots/pixi_build_python__tests__input_globs_includes_extra_globs_editable.snap b/crates/pixi-build-python/src/snapshots/pixi_build_python__tests__input_globs_includes_extra_globs_editable.snap
index c30c86d3..9d96710a 100644
--- a/crates/pixi-build-python/src/snapshots/pixi_build_python__tests__input_globs_includes_extra_globs_editable.snap
+++ b/crates/pixi-build-python/src/snapshots/pixi_build_python__tests__input_globs_includes_extra_globs_editable.snap
@@ -2,29 +2,29 @@
 source: crates/pixi-build-python/src/main.rs
 expression: result
 ---
-[
+{
     "**/*.c",
     "**/*.cpp",
+    "**/*.json",
     "**/*.rs",
     "**/*.sh",
-    "**/*.json",
+    "**/*.txt",
     "**/*.yaml",
     "**/*.yml",
-    "**/*.txt",
-    "setup.py",
-    "setup.cfg",
-    "pyproject.toml",
-    "requirements*.txt",
+    "MANIFEST.in",
+    "Makefile",
     "Pipfile",
     "Pipfile.lock",
+    "VERSION",
+    "custom/*.py",
+    "docs/**/*.md",
+    "docs/**/*.rst",
     "poetry.lock",
-    "tox.ini",
-    "Makefile",
-    "MANIFEST.in",
+    "pyproject.toml",
+    "requirements*.txt",
+    "setup.cfg",
+    "setup.py",
     "tests/**/*.py",
-    "docs/**/*.rst",
-    "docs/**/*.md",
-    "VERSION",
+    "tox.ini",
     "version.py",
-    "custom/*.py",
-]
+}
diff --git a/crates/pixi-build-rattler-build/Cargo.toml b/crates/pixi-build-rattler-build/Cargo.toml
index 958dabaf..f00b8275 100644
--- a/crates/pixi-build-rattler-build/Cargo.toml
+++ b/crates/pixi-build-rattler-build/Cargo.toml
@@ -22,5 +22,7 @@ itertools = { workspace = true }
 pixi-build-backend = { workspace = true }
 
 pixi_build_types = { workspace = true }
+chrono = "0.4.41"
 
 [dev-dependencies]
+insta = { workspace = true, features = ["json", "glob"] }
diff --git a/crates/pixi-build-rattler-build/src/protocol.rs b/crates/pixi-build-rattler-build/src/protocol.rs
index 89b0be18..632c8f0a 100644
--- a/crates/pixi-build-rattler-build/src/protocol.rs
+++ b/crates/pixi-build-rattler-build/src/protocol.rs
@@ -1,24 +1,32 @@
 use std::{
-    collections::HashMap,
+    collections::{BTreeMap, BTreeSet, HashMap},
     path::{Path, PathBuf},
     str::FromStr,
+    sync::Arc,
 };
 
 use fs_err::tokio as tokio_fs;
 use itertools::Itertools;
 use miette::{Context, IntoDiagnostic};
 use pixi_build_backend::{
+    dependencies::{convert_binary_dependencies, convert_dependencies},
+    intermediate_backend::{conda_build_v1_directories, find_matching_output},
     protocol::{Protocol, ProtocolInstantiator},
-    tools::RattlerBuild,
+    tools::{LoadedVariantConfig, RattlerBuild},
     utils::TemporaryRenderedRecipe,
 };
 use pixi_build_types::{
-    BackendCapabilities, CondaPackageMetadata, SourcePackageSpecV1, TargetV1,
+    BackendCapabilities, CondaPackageMetadata, PathSpecV1, SourcePackageSpecV1, TargetV1,
     procedures::{
-        conda_build::{
+        conda_build_v0::{
             CondaBuildParams, CondaBuildResult, CondaBuiltPackage, CondaOutputIdentifier,
         },
+        conda_build_v1::{CondaBuildV1Params, CondaBuildV1Result},
         conda_metadata::{CondaMetadataParams, CondaMetadataResult},
+        conda_outputs::{
+            CondaOutput, CondaOutputDependencies, CondaOutputIgnoreRunExports, CondaOutputMetadata,
+            CondaOutputRunExports, CondaOutputsParams, CondaOutputsResult,
+        },
         initialize::{InitializeParams, InitializeResult},
         negotiate_capabilities::{NegotiateCapabilitiesParams, NegotiateCapabilitiesResult},
     },
@@ -27,13 +35,26 @@ use rattler_build::{
     build::run_build,
     console_utils::LoggingOutputHandler,
     hash::HashInfo,
-    metadata::PlatformWithVirtualPackages,
-    recipe::{Jinja, parser::BuildString},
-    render::resolved_dependencies::DependencyInfo,
+    metadata::{
+        BuildConfiguration, Debug, Output, PackageIdentifier, PackagingSettings,
+        PlatformWithVirtualPackages,
+    },
+    recipe::{
+        Jinja, ParsingError, Recipe,
+        parser::{BuildString, find_outputs_from_src},
+        variable::Variable,
+    },
+    render::resolved_dependencies::{
+        DependencyInfo, FinalizedDependencies, FinalizedRunDependencies, ResolvedDependencies,
+    },
     selectors::SelectorConfig,
     tool_configuration::{BaseClient, Configuration},
+    variant_config::{ParseErrors, VariantConfig},
+};
+use rattler_conda_types::{
+    ChannelConfig, MatchSpec, PackageName, Platform, compression_level::CompressionLevel,
+    package::ArchiveType,
 };
-use rattler_conda_types::{ChannelConfig, MatchSpec, PackageName, Platform};
 use rattler_virtual_packages::VirtualPackageOverrides;
 use url::Url;
 
@@ -228,7 +249,208 @@ impl Protocol for RattlerBuildBackend {
         })
     }
 
-    async fn conda_build(&self, params: CondaBuildParams) -> miette::Result<CondaBuildResult> {
+    async fn conda_outputs(
+        &self,
+        params: CondaOutputsParams,
+    ) -> miette::Result<CondaOutputsResult> {
+        let build_platform = params.host_platform;
+
+        // Determine the variant configuration to use. This loads the variant
+        // configuration from disk as well as including the variants from the input
+        // parameters.
+        let selector_config_for_variants = SelectorConfig {
+            target_platform: params.host_platform,
+            host_platform: params.host_platform,
+            build_platform,
+            hash: None,
+            variant: Default::default(),
+            experimental: false,
+            allow_undefined: false,
+            recipe_path: Some(self.recipe_source.path.clone()),
+        };
+        let variant_config = LoadedVariantConfig::from_recipe_path(
+            &self.source_dir,
+            &self.recipe_source.path,
+            &selector_config_for_variants,
+        )
+        .into_diagnostic()?
+        .extend_with_input_variants(&params.variant_configuration.unwrap_or_default());
+
+        // Find all outputs from the recipe
+        let output_nodes = find_outputs_from_src(self.recipe_source.clone())?;
+        let discovered_outputs = variant_config
+            .variant_config
+            .find_variants(
+                &output_nodes,
+                self.recipe_source.clone(),
+                &selector_config_for_variants,
+            )
+            .into_diagnostic()?;
+
+        // Construct a mapping that for packages that we want from source.
+        //
+        // By default, this includes all the outputs in the recipe. These should all be
+        // build from source, in particular from the current source.
+        let local_source_packages = discovered_outputs
+            .iter()
+            .map(|output| {
+                (
+                    output.name.clone(),
+                    SourcePackageSpecV1::Path(PathSpecV1 { path: ".".into() }),
+                )
+            })
+            .collect();
+
+        let mut subpackages = HashMap::new();
+        let mut outputs = Vec::new();
+        for discovered_output in discovered_outputs {
+            let variant = discovered_output.used_vars;
+            let hash = HashInfo::from_variant(&variant, &discovered_output.noarch_type);
+
+            // Construct the selector config for this particular output. We base this on the
+            // selector config that was used to determine the variants.
+            let selector_config = SelectorConfig {
+                variant: variant.clone(),
+                hash: Some(hash.clone()),
+                target_platform: discovered_output.target_platform,
+                ..selector_config_for_variants.clone()
+            };
+
+            // Convert this discovered output into a recipe.
+            let recipe = Recipe::from_node(&discovered_output.node, selector_config.clone())
+                .map_err(|err| {
+                    let errs: ParseErrors<_> = err
+                        .into_iter()
+                        .map(|err| ParsingError::from_partial(self.recipe_source.clone(), err))
+                        .collect::<Vec<_>>()
+                        .into();
+                    errs
+                })?;
+
+            // Skip this output if the recipe is marked as skipped
+            if recipe.build().skip() {
+                continue;
+            }
+
+            let jinja = Jinja::new(selector_config);
+            let build_number = recipe.build().number;
+            let build_string = recipe.build().string().resolve(&hash, build_number, &jinja);
+
+            subpackages.insert(
+                recipe.package().name().clone(),
+                PackageIdentifier {
+                    name: recipe.package().name().clone(),
+                    version: recipe.package().version().version().clone().into(),
+                    build_string: build_string.to_string(),
+                },
+            );
+
+            outputs.push(CondaOutput {
+                metadata: CondaOutputMetadata {
+                    name: recipe.package().name().clone(),
+                    version: recipe.package.version().clone(),
+                    build: build_string.to_string(),
+                    build_number,
+                    subdir: discovered_output.target_platform,
+                    license: recipe.about.license.map(|l| l.to_string()),
+                    license_family: recipe.about.license_family,
+                    noarch: recipe.build.noarch,
+                    purls: None,
+                    python_site_packages_path: None,
+                    variant: variant
+                        .iter()
+                        .map(|(k, v)| (k.0.clone(), v.to_string()))
+                        .collect(),
+                },
+                build_dependencies: Some(CondaOutputDependencies {
+                    depends: convert_dependencies(
+                        recipe.requirements.build,
+                        &variant,
+                        &subpackages,
+                        &local_source_packages,
+                    )?,
+                    constraints: Vec::new(),
+                }),
+                host_dependencies: Some(CondaOutputDependencies {
+                    depends: convert_dependencies(
+                        recipe.requirements.host,
+                        &variant,
+                        &subpackages,
+                        &local_source_packages,
+                    )?,
+                    constraints: Vec::new(),
+                }),
+                run_dependencies: CondaOutputDependencies {
+                    depends: convert_dependencies(
+                        recipe.requirements.run,
+                        &BTreeMap::default(), // Variants are not applied to run dependencies
+                        &subpackages,
+                        &local_source_packages,
+                    )?,
+                    constraints: convert_binary_dependencies(
+                        recipe.requirements.run_constraints,
+                        &BTreeMap::default(), // Variants are not applied to run constraints
+                        &subpackages,
+                    )?,
+                },
+                ignore_run_exports: CondaOutputIgnoreRunExports {
+                    by_name: recipe
+                        .requirements
+                        .ignore_run_exports
+                        .by_name
+                        .into_iter()
+                        .collect(),
+                    from_package: recipe
+                        .requirements
+                        .ignore_run_exports
+                        .from_package
+                        .into_iter()
+                        .collect(),
+                },
+                run_exports: CondaOutputRunExports {
+                    weak: convert_dependencies(
+                        recipe.requirements.run_exports.weak,
+                        &variant,
+                        &subpackages,
+                        &local_source_packages,
+                    )?,
+                    strong: convert_dependencies(
+                        recipe.requirements.run_exports.strong,
+                        &variant,
+                        &subpackages,
+                        &local_source_packages,
+                    )?,
+                    noarch: convert_dependencies(
+                        recipe.requirements.run_exports.noarch,
+                        &variant,
+                        &subpackages,
+                        &local_source_packages,
+                    )?,
+                    weak_constrains: convert_binary_dependencies(
+                        recipe.requirements.run_exports.weak_constraints,
+                        &variant,
+                        &subpackages,
+                    )?,
+                    strong_constrains: convert_binary_dependencies(
+                        recipe.requirements.run_exports.strong_constraints,
+                        &variant,
+                        &subpackages,
+                    )?,
+                },
+
+                // The input globs are the same for all outputs
+                input_globs: None,
+                // TODO: Implement caching
+            });
+        }
+
+        Ok(CondaOutputsResult {
+            outputs,
+            input_globs: variant_config.input_globs,
+        })
+    }
+
+    async fn conda_build_v0(&self, params: CondaBuildParams) -> miette::Result<CondaBuildResult> {
         // Create the work directory if it does not exist
         tokio_fs::create_dir_all(&params.work_directory)
             .await
@@ -250,6 +472,7 @@ impl Protocol for RattlerBuildBackend {
             variant: Default::default(),
             experimental: true,
             allow_undefined: false,
+            recipe_path: Some(self.recipe_source.path.clone()),
         };
 
         let host_vpkgs = params
@@ -358,28 +581,15 @@ impl Protocol for RattlerBuildBackend {
                 })
                 .await?;
 
-            let package_sources = output.finalized_sources.as_ref().map(|package_sources| {
-                package_sources
-                    .iter()
-                    .filter_map(|source| {
-                        if let rattler_build::recipe::parser::Source::Path(path_source) = source {
-                            Some(path_source.path.clone())
-                        } else {
-                            None
-                        }
-                    })
-                    .collect()
-            });
-
             built.push(CondaBuiltPackage {
                 output_file: build_path,
                 input_globs: build_input_globs(
                     &self.manifest_root,
                     &self.recipe_source.path,
-                    package_sources,
+                    extract_mutable_package_sources(&output),
                     self.config.extra_input_globs.clone(),
                 )?,
-                name: output.name().as_normalized().to_string(),
+                name: output.name().clone(),
                 version: output.version().to_string(),
                 build: build_string.to_string(),
                 subdir: output.target_platform().to_string(),
@@ -387,6 +597,165 @@ impl Protocol for RattlerBuildBackend {
         }
         Ok(CondaBuildResult { packages: built })
     }
+
+    async fn conda_build_v1(
+        &self,
+        params: CondaBuildV1Params,
+    ) -> miette::Result<CondaBuildV1Result> {
+        let host_platform = params
+            .host_prefix
+            .as_ref()
+            .map_or_else(Platform::current, |prefix| prefix.platform);
+        let build_platform = params
+            .build_prefix
+            .as_ref()
+            .map_or_else(Platform::current, |prefix| prefix.platform);
+
+        // Construct a `VariantConfig` based on the input parameters. We only
+        // have a single variant here so we can just use the variant from the
+        // parameters.
+        let variant_config = VariantConfig {
+            variants: params
+                .output
+                .variant
+                .iter()
+                .map(|(k, v)| (k.as_str().into(), vec![Variable::from_string(v)]))
+                .collect(),
+            pin_run_as_build: None,
+            zip_keys: None,
+        };
+
+        // Determine the variant configuration to use. This loads the variant
+        // configuration from disk as well as including the variants from the input
+        // parameters.
+        let selector_config_for_variants = SelectorConfig {
+            target_platform: host_platform,
+            host_platform,
+            build_platform,
+            hash: None,
+            variant: Default::default(),
+            experimental: false,
+            allow_undefined: false,
+            recipe_path: Some(self.recipe_source.path.clone()),
+        };
+        let outputs = find_outputs_from_src(self.recipe_source.clone())?;
+        let discovered_outputs = variant_config.find_variants(
+            &outputs,
+            self.recipe_source.clone(),
+            &selector_config_for_variants,
+        )?;
+        let discovered_output = find_matching_output(&params.output, discovered_outputs)?;
+
+        // Set up the proper directories for the build.
+        let directories = conda_build_v1_directories(
+            params.host_prefix.as_ref().map(|p| p.prefix.as_path()),
+            params.build_prefix.as_ref().map(|p| p.prefix.as_path()),
+            params.work_directory,
+            self.cache_dir.as_deref(),
+            self.source_dir.clone(),
+            params.output_directory.as_deref(),
+            self.recipe_source.path.clone(),
+        );
+
+        let tool_config = Configuration::builder()
+            .with_opt_cache_dir(self.cache_dir.clone())
+            .with_logging_output_handler(self.logging_output_handler.clone())
+            .with_testing(false)
+            // Pixi is incremental so keep the build
+            .with_keep_build(true)
+            // This indicates that the environments are externally managed, e.g. they are already
+            // prepared.
+            .with_environments_externally_managed(true)
+            .finish();
+
+        let output = Output {
+            recipe: discovered_output.recipe,
+            build_configuration: BuildConfiguration {
+                target_platform: discovered_output.target_platform,
+                host_platform: PlatformWithVirtualPackages {
+                    platform: host_platform,
+                    virtual_packages: vec![],
+                },
+                build_platform: PlatformWithVirtualPackages {
+                    platform: build_platform,
+                    virtual_packages: vec![],
+                },
+                hash: discovered_output.hash,
+                variant: discovered_output.used_vars.clone(),
+                directories,
+                channels: vec![],
+                channel_priority: Default::default(),
+                solve_strategy: Default::default(),
+                timestamp: chrono::Utc::now(),
+                subpackages: BTreeMap::new(),
+                packaging_settings: PackagingSettings::from_args(
+                    ArchiveType::Conda,
+                    CompressionLevel::default(),
+                ),
+                store_recipe: false,
+                force_colors: true,
+                sandbox_config: None,
+                debug: Debug::new(false),
+                exclude_newer: None,
+            },
+            // TODO: We should pass these values to the build backend from pixi
+            finalized_dependencies: Some(FinalizedDependencies {
+                build: Some(ResolvedDependencies {
+                    specs: vec![],
+                    resolved: vec![],
+                }),
+                host: Some(ResolvedDependencies {
+                    specs: vec![],
+                    resolved: vec![],
+                }),
+                run: FinalizedRunDependencies {
+                    depends: vec![],
+                    constraints: vec![],
+                    run_exports: Default::default(),
+                },
+            }),
+            finalized_sources: None,
+            finalized_cache_dependencies: None,
+            finalized_cache_sources: None,
+            build_summary: Arc::default(),
+            system_tools: Default::default(),
+            extra_meta: None,
+        };
+
+        let (output, output_path) = run_build(output, &tool_config).await?;
+
+        Ok(CondaBuildV1Result {
+            output_file: output_path,
+            input_globs: build_input_globs(
+                &self.manifest_root,
+                &self.recipe_source.path,
+                extract_mutable_package_sources(&output),
+                self.config.extra_input_globs.clone(),
+            )?,
+            name: output.name().as_normalized().to_string(),
+            version: output.version().clone(),
+            build: output.build_string().into_owned(),
+            subdir: *output.target_platform(),
+        })
+    }
+}
+
+/// Extracts the package sources from an `Output` object that are mutable and
+/// should be watched for changes.
+fn extract_mutable_package_sources(output: &Output) -> Option<Vec<PathBuf>> {
+    let package_sources = output.finalized_sources.as_ref().map(|package_sources| {
+        package_sources
+            .iter()
+            .filter_map(|source| {
+                if let rattler_build::recipe::parser::Source::Path(path_source) = source {
+                    Some(path_source.path.clone())
+                } else {
+                    None
+                }
+            })
+            .collect()
+    });
+    package_sources
 }
 
 /// Returns the relative path from `base` to `input`, joined by "/".
@@ -421,7 +790,7 @@ fn build_input_globs(
     source: &Path,
     package_sources: Option<Vec<PathBuf>>,
     extra_globs: Vec<String>,
-) -> miette::Result<Vec<String>> {
+) -> miette::Result<BTreeSet<String>> {
     // Get parent directory path
     let parent = if source.is_file() {
         // use the parent path as glob
@@ -432,7 +801,7 @@ fn build_input_globs(
     };
 
     // Always add the current directory of the package to the globs
-    let mut input_globs = Vec::from([build_relative_glob(manifest_root, &parent)?]);
+    let mut input_globs = BTreeSet::from([build_relative_glob(manifest_root, &parent)?]);
 
     // If there are sources add them to the globs as well
     if let Some(package_sources) = package_sources {
@@ -442,7 +811,7 @@ fn build_input_globs(
             } else {
                 parent.join(source)
             };
-            input_globs.push(build_relative_glob(manifest_root, &source)?);
+            input_globs.insert(build_relative_glob(manifest_root, &source)?);
         }
     }
 
@@ -457,10 +826,10 @@ fn build_input_globs(
 fn get_metadata_input_globs(
     manifest_root: &Path,
     recipe_source_path: &Path,
-) -> miette::Result<Vec<String>> {
+) -> miette::Result<BTreeSet<String>> {
     match build_relative_glob(manifest_root, recipe_source_path) {
-        Ok(rel) if !rel.is_empty() => Ok(vec![rel]),
-        Ok(_) => Ok(Vec::new()),
+        Ok(rel) if !rel.is_empty() => Ok(BTreeSet::from_iter([rel])),
+        Ok(_) => Ok(Default::default()),
         Err(e) => Err(e),
     }
 }
@@ -521,6 +890,7 @@ impl ProtocolInstantiator for RattlerBuildBackendInstantiator {
         }
 
         let instance = RattlerBuildBackend::new(
+            params.source_dir,
             params.manifest_path.as_path(),
             self.logging_output_handler.clone(),
             params.cache_directory,
@@ -543,6 +913,8 @@ pub(crate) fn default_capabilities() -> BackendCapabilities {
     BackendCapabilities {
         provides_conda_metadata: Some(true),
         provides_conda_build: Some(true),
+        provides_conda_outputs: Some(true),
+        provides_conda_build_v1: Some(true),
         highest_supported_project_model: Some(
             pixi_build_types::VersionedProjectModel::highest_version(),
         ),
@@ -556,10 +928,11 @@ mod tests {
         str::FromStr,
     };
 
+    use pixi_build_backend::utils::test::conda_outputs_snapshot;
     use pixi_build_types::{
         ChannelConfiguration,
         procedures::{
-            conda_build::CondaBuildParams, conda_metadata::CondaMetadataParams,
+            conda_build_v0::CondaBuildParams, conda_metadata::CondaMetadataParams,
             initialize::InitializeParams,
         },
     };
@@ -577,6 +950,7 @@ mod tests {
 
         let factory = RattlerBuildBackendInstantiator::new(LoggingOutputHandler::default())
             .initialize(InitializeParams {
+                source_dir: None,
                 manifest_path: recipe,
                 project_model: None,
                 configuration: None,
@@ -605,6 +979,42 @@ mod tests {
         assert_eq!(result.packages.len(), 1);
     }
 
+    #[test]
+    fn test_conda_outputs() {
+        insta::glob!("../../../tests/recipe", "*/recipe.yaml", |recipe_path| {
+            let runtime = tokio::runtime::Builder::new_current_thread()
+                .build()
+                .unwrap();
+            runtime.block_on(async move {
+                let factory = RattlerBuildBackendInstantiator::new(LoggingOutputHandler::default())
+                    .initialize(InitializeParams {
+                        source_dir: None,
+                        manifest_path: recipe_path.to_path_buf(),
+                        project_model: None,
+                        configuration: None,
+                        cache_directory: None,
+                    })
+                    .await
+                    .unwrap();
+
+                let current_dir = std::env::current_dir().unwrap();
+
+                let result = factory
+                    .0
+                    .conda_outputs(CondaOutputsParams {
+                        host_platform: Platform::Linux64,
+                        build_platform: Platform::Linux64,
+                        variant_configuration: None,
+                        work_directory: current_dir,
+                    })
+                    .await
+                    .unwrap();
+
+                insta::assert_snapshot!(conda_outputs_snapshot(result));
+            });
+        });
+    }
+
     #[tokio::test]
     async fn test_conda_build() {
         // get cargo manifest dir
@@ -613,6 +1023,7 @@ mod tests {
 
         let factory = RattlerBuildBackendInstantiator::new(LoggingOutputHandler::default())
             .initialize(InitializeParams {
+                source_dir: None,
                 manifest_path: recipe,
                 project_model: None,
                 configuration: None,
@@ -625,7 +1036,7 @@ mod tests {
 
         let result = factory
             .0
-            .conda_build(CondaBuildParams {
+            .conda_build_v0(CondaBuildParams {
                 build_platform_virtual_packages: None,
                 host_platform: None,
                 channel_base_urls: None,
@@ -640,7 +1051,10 @@ mod tests {
             .await
             .unwrap();
 
-        assert_eq!(result.packages[0].name, "boltons-with-extra");
+        assert_eq!(
+            result.packages[0].name.as_normalized(),
+            "boltons-with-extra"
+        );
     }
 
     const FAKE_RECIPE: &str = r#"
@@ -653,6 +1067,7 @@ mod tests {
         manifest_path: impl AsRef<Path>,
     ) -> miette::Result<RattlerBuildBackend> {
         RattlerBuildBackend::new(
+            None,
             manifest_path.as_ref(),
             LoggingOutputHandler::default(),
             None,
@@ -779,7 +1194,7 @@ mod tests {
         let recipe_path = base_path.join("recipe.yaml");
         fs::write(&recipe_path, "fake").unwrap();
         let globs = super::build_input_globs(base_path, &recipe_path, None, Vec::new()).unwrap();
-        assert_eq!(globs, vec!["*/**"]);
+        assert_eq!(globs, BTreeSet::from([String::from("*/**")]));
 
         // Case 2: source is a directory, with a file and a dir as package sources
         let pkg_dir = base_path.join("pkg");
@@ -794,7 +1209,14 @@ mod tests {
             Vec::new(),
         )
         .unwrap();
-        assert_eq!(globs, vec!["*/**", "pkg/file.txt", "pkg/dir/**"]);
+        assert_eq!(
+            globs,
+            BTreeSet::from([
+                String::from("*/**"),
+                String::from("pkg/file.txt"),
+                String::from("pkg/dir/**")
+            ])
+        );
     }
 
     #[test]
@@ -822,7 +1244,10 @@ mod tests {
             Vec::new(),
         )
         .unwrap();
-        assert_eq!(globs, vec!["source/**", "pkgsrc/**"]);
+        assert_eq!(
+            globs,
+            BTreeSet::from([String::from("source/**"), String::from("pkgsrc/**")])
+        );
     }
 
     #[test]
@@ -850,7 +1275,14 @@ mod tests {
         )
         .unwrap();
         // The relative path from base_path to rel_dir should be "rel_folder/**"
-        assert_eq!(globs, vec!["*/**", "rel_folder/**"]);
+        assert_eq!(
+            globs,
+            BTreeSet::from_iter(
+                ["*/**", "rel_folder/**"]
+                    .into_iter()
+                    .map(ToString::to_string)
+            )
+        );
     }
 
     #[test]
@@ -860,27 +1292,28 @@ mod tests {
         let manifest_root = PathBuf::from("/foo/bar");
         let path = PathBuf::from("/foo/bar/recipe.yaml");
         let globs = super::get_metadata_input_globs(&manifest_root, &path).unwrap();
-        assert_eq!(globs, vec!["recipe.yaml"]);
+        assert_eq!(globs, BTreeSet::from([String::from("recipe.yaml")]));
         // Case: file with no name (root)
         let manifest_root = PathBuf::from("/");
         let path = PathBuf::from("/");
         let globs = super::get_metadata_input_globs(&manifest_root, &path).unwrap();
-        assert_eq!(globs, vec!["*/**".to_string()]);
+        assert_eq!(globs, BTreeSet::from([String::from("*/**")]));
         // Case: file with .yml extension
         let manifest_root = PathBuf::from("/foo/bar");
         let path = PathBuf::from("/foo/bar/recipe.yml");
         let globs = super::get_metadata_input_globs(&manifest_root, &path).unwrap();
-        assert_eq!(globs, vec!["recipe.yml"]);
+        assert_eq!(globs, BTreeSet::from([String::from("recipe.yml")]));
         // Case: file in subdir
         let manifest_root = PathBuf::from("/foo");
         let path = PathBuf::from("/foo/bar/recipe.yaml");
         let globs = super::get_metadata_input_globs(&manifest_root, &path).unwrap();
-        assert_eq!(globs, vec!["bar/recipe.yaml"]);
+        assert_eq!(globs, BTreeSet::from([String::from("bar/recipe.yaml")]));
     }
 
     #[test]
     fn test_build_input_globs_includes_extra_globs() {
         use std::fs;
+
         use tempfile::tempdir;
 
         // Create a temp directory to act as the base
@@ -906,6 +1339,6 @@ mod tests {
         }
 
         // Verify that the basic manifest glob is still present
-        assert!(globs.contains(&"*/**".to_string()));
+        assert!(globs.contains("*/**"));
     }
 }
diff --git a/crates/pixi-build-rattler-build/src/rattler_build.rs b/crates/pixi-build-rattler-build/src/rattler_build.rs
index 68997a0d..8bfab053 100644
--- a/crates/pixi-build-rattler-build/src/rattler_build.rs
+++ b/crates/pixi-build-rattler-build/src/rattler_build.rs
@@ -11,6 +11,7 @@ use crate::config::RattlerBuildBackendConfig;
 
 pub struct RattlerBuildBackend {
     pub(crate) logging_output_handler: LoggingOutputHandler,
+    pub(crate) source_dir: PathBuf,
     /// In case of rattler-build, manifest is the raw recipe
     /// We need to apply later the selectors to get the final recipe
     pub(crate) recipe_source: Source,
@@ -23,6 +24,7 @@ impl RattlerBuildBackend {
     /// Returns a new instance of [`RattlerBuildBackend`] by reading the
     /// manifest at the given path.
     pub fn new(
+        source_dir: Option<PathBuf>,
         manifest_path: &Path,
         logging_output_handler: LoggingOutputHandler,
         cache_dir: Option<PathBuf>,
@@ -30,10 +32,24 @@ impl RattlerBuildBackend {
     ) -> miette::Result<Self> {
         // Locate the recipe
         let manifest_file_name = manifest_path.file_name().and_then(OsStr::to_str);
-        let recipe_path = match manifest_file_name {
-            Some("recipe.yaml") | Some("recipe.yml") => manifest_path.to_path_buf(),
+        let (recipe_path, source_dir) = match manifest_file_name {
+            Some("recipe.yaml") | Some("recipe.yml") => {
+                let source_dir = source_dir.unwrap_or_else(|| {
+                    manifest_path
+                        .parent()
+                        .expect("file always has parent")
+                        .to_path_buf()
+                });
+                (manifest_path.to_path_buf(), source_dir)
+            }
             _ => {
                 // The manifest is not a recipe, so we need to find the recipe.yaml file.
+                let source_dir = source_dir.unwrap_or_else(|| {
+                    manifest_path
+                        .parent()
+                        .unwrap_or(manifest_path)
+                        .to_path_buf()
+                });
                 let recipe_path = manifest_path.parent().and_then(|manifest_dir| {
                     [
                         "recipe.yaml",
@@ -48,7 +64,7 @@ impl RattlerBuildBackend {
                     })
                 });
 
-                recipe_path.ok_or_else(|| miette::miette!("Could not find a recipe.yaml in the source directory to use as the recipe manifest."))?
+                (recipe_path.ok_or_else(|| miette::miette!("Could not find a recipe.yaml in the source directory to use as the recipe manifest."))?, source_dir)
             }
         };
 
@@ -62,6 +78,7 @@ impl RattlerBuildBackend {
 
         Ok(Self {
             logging_output_handler,
+            source_dir,
             recipe_source,
             manifest_root,
             cache_dir,
diff --git a/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs.snap b/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs.snap
new file mode 100644
index 00000000..63bcca87
--- /dev/null
+++ b/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs.snap
@@ -0,0 +1,106 @@
+---
+source: crates/pixi-build-rattler-build/src/protocol.rs
+expression: result.outputs
+---
+[
+  {
+    "identifier": {
+      "name": "boltons-with-extra",
+      "version": "23.0.0",
+      "build": "pyh4616a5c_0",
+      "buildNumber": 0,
+      "subdir": "noarch",
+      "license": "BSD-3-Clause",
+      "licenseFamily": null,
+      "noarch": "python",
+      "purls": null
+    },
+    "buildDependencies": {
+      "depends": [],
+      "constraints": []
+    },
+    "hostDependencies": {
+      "depends": [
+        {
+          "name": "python",
+          "binary": {
+            "version": null,
+            "build": null,
+            "buildNumber": null,
+            "fileName": null,
+            "channel": null,
+            "subdir": null,
+            "md5": null,
+            "sha256": null,
+            "url": null,
+            "license": null
+          }
+        },
+        {
+          "name": "pip",
+          "binary": {
+            "version": null,
+            "build": null,
+            "buildNumber": null,
+            "fileName": null,
+            "channel": null,
+            "subdir": null,
+            "md5": null,
+            "sha256": null,
+            "url": null,
+            "license": null
+          }
+        },
+        {
+          "name": "setuptools",
+          "binary": {
+            "version": null,
+            "build": null,
+            "buildNumber": null,
+            "fileName": null,
+            "channel": null,
+            "subdir": null,
+            "md5": null,
+            "sha256": null,
+            "url": null,
+            "license": null
+          }
+        }
+      ],
+      "constraints": []
+    },
+    "runDependencies": {
+      "depends": [
+        {
+          "name": "pip",
+          "binary": {
+            "version": null,
+            "build": null,
+            "buildNumber": null,
+            "fileName": null,
+            "channel": null,
+            "subdir": null,
+            "md5": null,
+            "sha256": null,
+            "url": null,
+            "license": null
+          }
+        }
+      ],
+      "constraints": []
+    },
+    "ignoreRunExports": {
+      "byName": [],
+      "fromPackage": []
+    },
+    "runExports": {
+      "weak": [],
+      "strong": [],
+      "noarch": [],
+      "weakConstrains": [],
+      "strongConstrains": []
+    },
+    "cache": null,
+    "inputGlobs": null
+  }
+]
diff --git a/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@boltons__recipe.yaml.snap b/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@boltons__recipe.yaml.snap
new file mode 100644
index 00000000..5eb952c0
--- /dev/null
+++ b/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@boltons__recipe.yaml.snap
@@ -0,0 +1,46 @@
+---
+source: crates/pixi-build-rattler-build/src/protocol.rs
+expression: conda_outputs_snapshot(result)
+input_file: tests/recipe/boltons/recipe.yaml
+---
+{
+  "outputs": [
+    {
+      "metadata": {
+        "name": "boltons-with-extra",
+        "version": "23.0.0",
+        "build": "pyh4616a5c_0",
+        "buildNumber": 0,
+        "subdir": "noarch",
+        "license": "BSD-3-Clause",
+        "noarch": "python",
+        "variant": {
+          "target_platform": "noarch"
+        }
+      },
+      "hostDependencies": {
+        "depends": [
+          {
+            "name": "python"
+          },
+          {
+            "name": "pip"
+          },
+          {
+            "name": "setuptools"
+          }
+        ]
+      },
+      "runDependencies": {
+        "depends": [
+          {
+            "name": "pip"
+          }
+        ]
+      }
+    }
+  ],
+  "inputGlobs": [
+    "variants.yaml"
+  ]
+}
diff --git a/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@pin-subpackage-variants__recipe.yaml.snap b/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@pin-subpackage-variants__recipe.yaml.snap
new file mode 100644
index 00000000..2e65c262
--- /dev/null
+++ b/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@pin-subpackage-variants__recipe.yaml.snap
@@ -0,0 +1,162 @@
+---
+source: crates/pixi-build-rattler-build/src/protocol.rs
+expression: conda_outputs_snapshot(result)
+input_file: tests/recipe/pin-subpackage-variants/recipe.yaml
+---
+{
+  "outputs": [
+    {
+      "metadata": {
+        "name": "my-package",
+        "version": "0.1.0",
+        "build": "py38hb368f13_0",
+        "buildNumber": 0,
+        "subdir": "noarch",
+        "noarch": "generic",
+        "variant": {
+          "python": "3.8",
+          "target_platform": "noarch"
+        }
+      },
+      "hostDependencies": {
+        "depends": [
+          {
+            "name": "python",
+            "binary": {
+              "version": "3.8.*"
+            }
+          }
+        ]
+      }
+    },
+    {
+      "metadata": {
+        "name": "my-package-pinned",
+        "version": "0.1.0",
+        "build": "h1670b25_0",
+        "buildNumber": 0,
+        "subdir": "noarch",
+        "noarch": "generic",
+        "variant": {
+          "my-package": "0.1.0 py38hb368f13_0",
+          "target_platform": "noarch"
+        }
+      },
+      "runDependencies": {
+        "depends": [
+          {
+            "name": "my-package",
+            "source": {
+              "Path": {
+                "path": "."
+              }
+            }
+          }
+        ]
+      }
+    },
+    {
+      "metadata": {
+        "name": "my-package",
+        "version": "0.1.0",
+        "build": "py39h6a44458_0",
+        "buildNumber": 0,
+        "subdir": "noarch",
+        "noarch": "generic",
+        "variant": {
+          "python": "3.9",
+          "target_platform": "noarch"
+        }
+      },
+      "hostDependencies": {
+        "depends": [
+          {
+            "name": "python",
+            "binary": {
+              "version": "3.9.*"
+            }
+          }
+        ]
+      }
+    },
+    {
+      "metadata": {
+        "name": "my-package-pinned",
+        "version": "0.1.0",
+        "build": "h11d4084_0",
+        "buildNumber": 0,
+        "subdir": "noarch",
+        "noarch": "generic",
+        "variant": {
+          "my-package": "0.1.0 py39h6a44458_0",
+          "target_platform": "noarch"
+        }
+      },
+      "runDependencies": {
+        "depends": [
+          {
+            "name": "my-package",
+            "source": {
+              "Path": {
+                "path": "."
+              }
+            }
+          }
+        ]
+      }
+    },
+    {
+      "metadata": {
+        "name": "my-package",
+        "version": "0.1.0",
+        "build": "py310hbede2c2_0",
+        "buildNumber": 0,
+        "subdir": "noarch",
+        "noarch": "generic",
+        "variant": {
+          "python": "3.10",
+          "target_platform": "noarch"
+        }
+      },
+      "hostDependencies": {
+        "depends": [
+          {
+            "name": "python",
+            "binary": {
+              "version": "3.10.*"
+            }
+          }
+        ]
+      }
+    },
+    {
+      "metadata": {
+        "name": "my-package-pinned",
+        "version": "0.1.0",
+        "build": "hba4f637_0",
+        "buildNumber": 0,
+        "subdir": "noarch",
+        "noarch": "generic",
+        "variant": {
+          "my-package": "0.1.0 py310hbede2c2_0",
+          "target_platform": "noarch"
+        }
+      },
+      "runDependencies": {
+        "depends": [
+          {
+            "name": "my-package",
+            "source": {
+              "Path": {
+                "path": "."
+              }
+            }
+          }
+        ]
+      }
+    }
+  ],
+  "inputGlobs": [
+    "variants.yaml"
+  ]
+}
diff --git a/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@pin-subpackage__recipe.yaml.snap b/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@pin-subpackage__recipe.yaml.snap
new file mode 100644
index 00000000..383f0272
--- /dev/null
+++ b/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@pin-subpackage__recipe.yaml.snap
@@ -0,0 +1,51 @@
+---
+source: crates/pixi-build-rattler-build/src/protocol.rs
+expression: conda_outputs_snapshot(result)
+input_file: tests/recipe/pin-subpackage/recipe.yaml
+---
+{
+  "outputs": [
+    {
+      "metadata": {
+        "name": "my-package",
+        "version": "0.1.0",
+        "build": "h4616a5c_0",
+        "buildNumber": 0,
+        "subdir": "noarch",
+        "noarch": "generic",
+        "variant": {
+          "target_platform": "noarch"
+        }
+      }
+    },
+    {
+      "metadata": {
+        "name": "my-package-a",
+        "version": "0.1.0",
+        "build": "hc811278_0",
+        "buildNumber": 0,
+        "subdir": "noarch",
+        "noarch": "generic",
+        "variant": {
+          "my-package": "0.1.0 h4616a5c_0",
+          "target_platform": "noarch"
+        }
+      },
+      "runDependencies": {
+        "depends": [
+          {
+            "name": "my-package",
+            "source": {
+              "Path": {
+                "path": "."
+              }
+            }
+          }
+        ]
+      }
+    }
+  ],
+  "inputGlobs": [
+    "variants.yaml"
+  ]
+}
diff --git a/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@sub_packages__recipe.yaml.snap b/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@sub_packages__recipe.yaml.snap
new file mode 100644
index 00000000..702ab3ae
--- /dev/null
+++ b/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@sub_packages__recipe.yaml.snap
@@ -0,0 +1,44 @@
+---
+source: crates/pixi-build-rattler-build/src/protocol.rs
+expression: "serde_json::to_string_pretty(&value).unwrap()"
+input_file: tests/recipe/sub_packages/recipe.yaml
+---
+{
+  "outputs": [
+    {
+      "identifier": {
+        "name": "my-package",
+        "version": "0.1.0",
+        "build": "h4616a5c_0",
+        "buildNumber": 0,
+        "subdir": "noarch",
+        "noarch": "generic"
+      }
+    },
+    {
+      "identifier": {
+        "name": "my-package-a",
+        "version": "0.1.0",
+        "build": "hc811278_0",
+        "buildNumber": 0,
+        "subdir": "noarch",
+        "noarch": "generic"
+      },
+      "runDependencies": {
+        "depends": [
+          {
+            "name": "my-package",
+            "source": {
+              "Path": {
+                "path": "."
+              }
+            }
+          }
+        ]
+      }
+    }
+  ],
+  "inputGlobs": [
+    "variants.yaml"
+  ]
+}
diff --git a/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@variants__recipe.yaml.snap b/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@variants__recipe.yaml.snap
new file mode 100644
index 00000000..e7b0d21b
--- /dev/null
+++ b/crates/pixi-build-rattler-build/src/snapshots/pixi_build_rattler_build__protocol__tests__conda_outputs@variants__recipe.yaml.snap
@@ -0,0 +1,105 @@
+---
+source: crates/pixi-build-rattler-build/src/protocol.rs
+expression: conda_outputs_snapshot(result)
+input_file: tests/recipe/variants/recipe.yaml
+---
+{
+  "outputs": [
+    {
+      "metadata": {
+        "name": "foobar",
+        "version": "1.0.0",
+        "build": "py38h0891c58_0",
+        "buildNumber": 0,
+        "subdir": "linux-64",
+        "noarch": false,
+        "variant": {
+          "python": "3.8",
+          "target_platform": "linux-64"
+        }
+      },
+      "hostDependencies": {
+        "depends": [
+          {
+            "name": "python",
+            "binary": {
+              "version": "3.8.*"
+            }
+          }
+        ]
+      },
+      "runDependencies": {
+        "depends": [
+          {
+            "name": "python"
+          }
+        ]
+      }
+    },
+    {
+      "metadata": {
+        "name": "foobar",
+        "version": "1.0.0",
+        "build": "py39h2e92cda_0",
+        "buildNumber": 0,
+        "subdir": "linux-64",
+        "noarch": false,
+        "variant": {
+          "python": "3.9",
+          "target_platform": "linux-64"
+        }
+      },
+      "hostDependencies": {
+        "depends": [
+          {
+            "name": "python",
+            "binary": {
+              "version": "3.9.*"
+            }
+          }
+        ]
+      },
+      "runDependencies": {
+        "depends": [
+          {
+            "name": "python"
+          }
+        ]
+      }
+    },
+    {
+      "metadata": {
+        "name": "foobar",
+        "version": "1.0.0",
+        "build": "py310h8e7c8fa_0",
+        "buildNumber": 0,
+        "subdir": "linux-64",
+        "noarch": false,
+        "variant": {
+          "python": "3.10",
+          "target_platform": "linux-64"
+        }
+      },
+      "hostDependencies": {
+        "depends": [
+          {
+            "name": "python",
+            "binary": {
+              "version": "3.10.*"
+            }
+          }
+        ]
+      },
+      "runDependencies": {
+        "depends": [
+          {
+            "name": "python"
+          }
+        ]
+      }
+    }
+  ],
+  "inputGlobs": [
+    "variants.yaml"
+  ]
+}
diff --git a/crates/pixi-build-rust/src/main.rs b/crates/pixi-build-rust/src/main.rs
index e579cce0..aeddf26a 100644
--- a/crates/pixi-build-rust/src/main.rs
+++ b/crates/pixi-build-rust/src/main.rs
@@ -1,11 +1,6 @@
 mod build_script;
 mod config;
 
-use std::{
-    collections::HashMap,
-    path::{Path, PathBuf},
-};
-
 use build_script::BuildScriptContext;
 use config::RustBackendConfig;
 use miette::IntoDiagnostic;
@@ -21,6 +16,11 @@ use recipe_stage0::{
     matchspec::PackageDependency,
     recipe::{Item, Script},
 };
+use std::collections::BTreeSet;
+use std::{
+    collections::HashMap,
+    path::{Path, PathBuf},
+};
 
 #[derive(Default, Clone)]
 pub struct RustGenerator {}
@@ -44,7 +44,7 @@ impl GenerateRecipe for RustGenerator {
 
         let requirements = &mut generated_recipe.recipe.requirements;
 
-        let resolved_requirements = requirements.resolve(Some(&host_platform));
+        let resolved_requirements = requirements.resolve(Some(host_platform));
 
         // Ensure the compiler function is added to the build requirements
         // only if it is not already present.
@@ -132,7 +132,7 @@ impl GenerateRecipe for RustGenerator {
         config: &Self::Config,
         _workdir: impl AsRef<Path>,
         _editable: bool,
-    ) -> Vec<String> {
+    ) -> BTreeSet<String> {
         [
             "**/*.rs",
             // Cargo configuration files
@@ -183,10 +183,10 @@ mod tests {
         }
 
         // Verify that default globs are still present
-        assert!(result.contains(&"**/*.rs".to_string()));
-        assert!(result.contains(&"Cargo.toml".to_string()));
-        assert!(result.contains(&"Cargo.lock".to_string()));
-        assert!(result.contains(&"build.rs".to_string()));
+        assert!(result.contains("**/*.rs"));
+        assert!(result.contains("Cargo.toml"));
+        assert!(result.contains("Cargo.lock"));
+        assert!(result.contains("build.rs"));
     }
 
     #[macro_export]
diff --git a/crates/pixi-build-rust/src/snapshots/pixi_build_rust__tests__conda_outputs_with_variants.snap b/crates/pixi-build-rust/src/snapshots/pixi_build_rust__tests__conda_outputs_with_variants.snap
new file mode 100644
index 00000000..b982f8e5
--- /dev/null
+++ b/crates/pixi-build-rust/src/snapshots/pixi_build_rust__tests__conda_outputs_with_variants.snap
@@ -0,0 +1,62 @@
+---
+source: crates/pixi-build-rust/src/main.rs
+expression: "intermediate_conda_outputs_snapshot::<RustGenerator>(Some(project_model),\nNone, Platform::Linux64, Some(variants))"
+---
+{
+  "outputs": [
+    {
+      "metadata": {
+        "name": "foobar",
+        "version": "0.1.0",
+        "build": "hc325156_0",
+        "buildNumber": 0,
+        "subdir": "linux-64",
+        "noarch": false
+      },
+      "buildDependencies": {
+        "depends": [
+          {
+            "name": "rust_linux-64",
+            "binary": {
+              "version": "1.86.*"
+            }
+          }
+        ]
+      },
+      "runDependencies": {
+        "depends": [
+          {
+            "name": "boltons"
+          }
+        ]
+      }
+    },
+    {
+      "metadata": {
+        "name": "foobar",
+        "version": "0.1.0",
+        "build": "hce365a6_0",
+        "buildNumber": 0,
+        "subdir": "linux-64",
+        "noarch": false
+      },
+      "buildDependencies": {
+        "depends": [
+          {
+            "name": "rust_linux-64",
+            "binary": {
+              "version": "1.87.*"
+            }
+          }
+        ]
+      },
+      "runDependencies": {
+        "depends": [
+          {
+            "name": "boltons"
+          }
+        ]
+      }
+    }
+  ]
+}
diff --git a/crates/recipe-stage0/Cargo.toml b/crates/recipe-stage0/Cargo.toml
index 23130bce..187375c3 100644
--- a/crates/recipe-stage0/Cargo.toml
+++ b/crates/recipe-stage0/Cargo.toml
@@ -4,20 +4,17 @@ version = "0.1.0"
 edition.workspace = true
 
 [dependencies]
-hashlink = "0.10.0"
-marked-yaml = "0.8.0"
+hashlink = { workspace = true }
+marked-yaml = { workspace = true }
 rattler_conda_types = { workspace = true }
-serde = { version = "1.0.219", features = ["derive"] }
-serde_yaml = "0.9.34"
+serde = { workspace = true, features = ["derive"] }
+serde_yaml = { workspace = true }
 rattler-build = { workspace = true }
 indexmap = { workspace = true }
 url = { workspace = true }
-either = { workspace = true }
-pixi_build_types = { workspace = true }
-miette = { workspace = true }
 
 
 [dev-dependencies]
-insta = { version = "1.42.1", features = ["yaml", "redactions", "filters"] }
-serde_json = "1.0"
+insta = { workspace = true, features = ["yaml", "redactions", "filters"] }
+serde_json = { workspace = true }
 pixi_build_types = { workspace = true }
diff --git a/crates/recipe-stage0/src/recipe.rs b/crates/recipe-stage0/src/recipe.rs
index 84fea0a3..e43208fa 100644
--- a/crates/recipe-stage0/src/recipe.rs
+++ b/crates/recipe-stage0/src/recipe.rs
@@ -495,7 +495,7 @@ impl ConditionalRequirements {
     /// Resolves the conditional requirements for a given platform.
     pub fn resolve(
         &self,
-        platform: Option<&Platform>,
+        platform: Option<Platform>,
     ) -> PackageSpecDependencies<PackageDependency> {
         PackageSpecDependencies {
             build: self.resolve_list(&self.build, platform),
@@ -508,7 +508,7 @@ impl ConditionalRequirements {
     pub(crate) fn resolve_list(
         &self,
         list: &ConditionalList<PackageDependency>,
-        platform: Option<&Platform>,
+        platform: Option<Platform>,
     ) -> IndexMap<PackageName, PackageDependency> {
         list.iter()
             .flat_map(|item| Self::resolve_item(item, platform))
@@ -517,7 +517,7 @@ impl ConditionalRequirements {
 
     pub(crate) fn resolve_item(
         item: &Item<PackageDependency>,
-        platform: Option<&Platform>,
+        platform: Option<Platform>,
     ) -> IndexMap<PackageName, PackageDependency> {
         match item {
             Item::Value(v) => {
diff --git a/recipe/pixi-build-api-version.yaml b/recipe/pixi-build-api-version.yaml
index 8f4b7eaf..09d77364 100644
--- a/recipe/pixi-build-api-version.yaml
+++ b/recipe/pixi-build-api-version.yaml
@@ -1,7 +1,7 @@
 # yaml-language-server: $schema=https://raw.githubusercontent.com/prefix-dev/recipe-format/main/schema.json
 context:
   name: pixi-build-api-version
-  version: "0"
+  version: "1"
 
 package:
   name: ${{ name }}
diff --git a/recipe/pixi-build-cmake.yaml b/recipe/pixi-build-cmake.yaml
index 4ddc3dba..25719884 100644
--- a/recipe/pixi-build-cmake.yaml
+++ b/recipe/pixi-build-cmake.yaml
@@ -22,7 +22,7 @@ requirements:
     - if: unix
       then: openssl
   run:
-    - pixi-build-api-version >=0,<1
+    - pixi-build-api-version >=0,<2
 
 build:
   script:
diff --git a/recipe/pixi-build-python.yaml b/recipe/pixi-build-python.yaml
index b4c3b242..9e30555d 100644
--- a/recipe/pixi-build-python.yaml
+++ b/recipe/pixi-build-python.yaml
@@ -22,7 +22,7 @@ requirements:
     - if: unix
       then: openssl
   run:
-    - pixi-build-api-version >=0,<1
+    - pixi-build-api-version >=0,<2
 
 build:
   script:
diff --git a/recipe/pixi-build-rattler-build.yaml b/recipe/pixi-build-rattler-build.yaml
index 9855a0bd..f027c345 100644
--- a/recipe/pixi-build-rattler-build.yaml
+++ b/recipe/pixi-build-rattler-build.yaml
@@ -23,7 +23,7 @@ requirements:
     - if: unix
       then: openssl
   run:
-    - pixi-build-api-version >=0,<1
+    - pixi-build-api-version >=0,<2
 
 build:
   script:
diff --git a/recipe/pixi-build-rust.yaml b/recipe/pixi-build-rust.yaml
index 103c1a86..dbba8231 100644
--- a/recipe/pixi-build-rust.yaml
+++ b/recipe/pixi-build-rust.yaml
@@ -22,7 +22,7 @@ requirements:
     - if: unix
       then: openssl
   run:
-    - pixi-build-api-version >=0,<1
+    - pixi-build-api-version >=0,<2
 
 build:
   script:
diff --git a/tests/recipe/pin-subpackage-variants/recipe.yaml b/tests/recipe/pin-subpackage-variants/recipe.yaml
new file mode 100644
index 00000000..3f895f56
--- /dev/null
+++ b/tests/recipe/pin-subpackage-variants/recipe.yaml
@@ -0,0 +1,27 @@
+# regression test that pin subpackage works with `my.package`
+context:
+  name: my-package
+  version: 0.1.0
+
+recipe:
+  version: ${{ version }}
+
+build:
+  number: 0
+
+outputs:
+  - package:
+      name: ${{ name }}
+    requirements:
+      host:
+        - python
+    build:
+      noarch: generic
+
+  - package:
+      name: ${{ name }}-pinned
+    build:
+      noarch: generic
+    requirements:
+      run:
+        - ${{ pin_subpackage(name, exact=true) }}
diff --git a/tests/recipe/pin-subpackage-variants/variants.yaml b/tests/recipe/pin-subpackage-variants/variants.yaml
new file mode 100644
index 00000000..d1f51d50
--- /dev/null
+++ b/tests/recipe/pin-subpackage-variants/variants.yaml
@@ -0,0 +1,4 @@
+python:
+  - "3.8"
+  - "3.9"
+  - "3.10"
diff --git a/tests/recipe/pin-subpackage/recipe.yaml b/tests/recipe/pin-subpackage/recipe.yaml
new file mode 100644
index 00000000..ddaea97a
--- /dev/null
+++ b/tests/recipe/pin-subpackage/recipe.yaml
@@ -0,0 +1,24 @@
+# regression test that pin subpackage works with `my.package`
+context:
+  name: my-package
+  version: 0.1.0
+
+recipe:
+  version: ${{ version }}
+
+build:
+  number: 0
+
+outputs:
+  - package:
+      name: ${{ name }}
+    build:
+      noarch: generic
+
+  - package:
+      name: ${{ name }}-a
+    build:
+      noarch: generic
+    requirements:
+      run:
+        - ${{ pin_subpackage(name, exact=true) }}
diff --git a/tests/recipe/variants/recipe.yaml b/tests/recipe/variants/recipe.yaml
new file mode 100644
index 00000000..dd2c06b4
--- /dev/null
+++ b/tests/recipe/variants/recipe.yaml
@@ -0,0 +1,9 @@
+package:
+  name: foobar
+  version: 1.0.0
+
+requirements:
+  host:
+    - python
+  run:
+    - python
diff --git a/tests/recipe/variants/variants.yaml b/tests/recipe/variants/variants.yaml
new file mode 100644
index 00000000..d1f51d50
--- /dev/null
+++ b/tests/recipe/variants/variants.yaml
@@ -0,0 +1,4 @@
+python:
+  - "3.8"
+  - "3.9"
+  - "3.10"