v8.12.6

What's Changed

• perf(ssr): avoid proxying entire props object by @nolanlawson in #5125
• chore: upgrade from vitest 2.1.8 to vitest 3.0.3 by @cardoso in #5144
• fix(ssr): remove dev-only accessor warnings by @nolanlawson in #5135
• test: @wire expects a function identifier as first parameter (LWC1097) by @cardoso in #5147
• test: wire identifier cannot contain computed properties (LWC1131) by @cardoso in #5148
• fix: @W-17528759 - add flag to control locker integration by @jhefferman-sfdc in #5136
• chore(@lwc/compiler): fix type error in transform-html.spec.ts by @cardoso in #5158
• chore: improve member expression computed typechecking by @cardoso in #5157
• chore: change locker support flag for clarity by @jhefferman-sfdc in #5163
• feat(ssr): add perf timings by @nolanlawson in #5143
• fix: remove dot from style token regex @W-17528745 by @wjhsf in #5165
• chore: prepare release v8.12.6 @W-17528745 by @wjhsf in #5166
• chore: release v8.12.6 @W-17528745 by @wjhsf in #5168

Full Changelog: v8.12.5...v8.12.6

v8.12.5

What's Changed

• fix(ssr): fix rendering of class with scope token by @nolanlawson in #5072
• chore(ssr): use htmlEscape consistently by @nolanlawson in #5116
• feat: refactored hydration logging and related tests by @jhefferman-sfdc in #5086
• feat(ssr): compiler error location by @cardoso in #5114
• build(deps): bump the theoretically-non-breaking group with 15 updates by @dependabot in #5128
• build(deps-dev): bump eslint-config-flat-gitignore from 0.3.0 to 1.0.0 by @dependabot in #5129
• build(deps-dev): bump jsdom from 25.0.1 to 26.0.0 by @dependabot in #5130
• fix: mismatched scoped / light slots / data by @jhefferman-sfdc in #5131
• test(ssr): more tests for mixed light/scoped slots by @nolanlawson in #5133
• build(deps): bump the theoretically-non-breaking group with 8 updates by @dependabot in #5146
• chore: release v8.12.5 by @jhefferman-sfdc in #5149
• chore: release (release) v8.12.5 by @jhefferman-sfdc in #5150

Full Changelog: v8.12.4...v8.12.5

v8.10.3

What's Changed

• chore: add a flag for signals try/catch fix by @nolanlawson in #5119
• chore: release v8.10.3 by @nolanlawson in #5121

Full Changelog: v8.10.2...v8.10.3

v8.12.4

What's Changed

• chore: 2025 by @wjhsf in #5100
• Fix aria null values by @jhefferman-sfdc in #5097
• perf(ssr): remove filterProperties by @nolanlawson in #5101
• docs: add ARCHITECTURE.md by @nolanlawson in #5090
• fix(ssr): fix adjacent text node concatenation by @nolanlawson in #5079
• docs: fix mistakes in ARCHITECTURE.md by @nolanlawson in #5103
• chore(eslint): disallow fdescribe/fit by @nolanlawson in #5107
• fix(signals): avoid throwing when in check throws by @nolanlawson in #5105
• fix(ssr): avoid reserved keyword collision by @nolanlawson in #5108
• chore: release v8.12.4 by @nolanlawson in #5111
• chore: release v8.12.4 by @nolanlawson in #5112

Full Changelog: v8.12.3...v8.12.4

v8.10.2

What's Changed

• chore(nucleus): set npm tag for spring25 by @nolanlawson in #4955
• fix(signals): avoid throwing when in check throws [backport] by @nolanlawson in #5110
• chore: release v8.10.2 by @nolanlawson in #5115

Full Changelog: v8.10.1...v8.10.2

v8.12.3

What's Changed

• test(ssr): add test for superclass with args passed in by @nolanlawson in #5076
• build(deps): bump body-parser from 1.20.2 to 1.20.3 by @dependabot in #5077
• build(deps): bump systeminformation from 5.22.7 to 5.23.14 by @dependabot in #5074
• build(deps): bump the theoretically-non-breaking group across 1 directory with 22 updates by @dependabot in #5085
• chore: emit type declaration maps by @cardoso in #5083
• build(deps-dev): bump the theoretically-non-breaking group with 12 updates by @dependabot in #5096
• fix(ssr): fix constructor with args by @nolanlawson in #5094
• perf(ssr): speed up setting props by @nolanlawson in #5092
• refactor(ssr): do not pass props/attrs to tmpl by @nolanlawson in #5095
• chore: release v8.12.3 by @nolanlawson in #5098
• chore: release v8.12.3 by @nolanlawson in #5099

Full Changelog: v8.12.2...v8.12.3

v8.12.2

What's Changed

• test(ssr): add tests for nested elements in slots by @nolanlawson in #5048
• fix(compiler): log warning for missing name/namespace by @nolanlawson in #4825
• test(karma): remove unnecessary IE11-related code by @nolanlawson in #5054
• fix: replace barrel exports from lwc with @lwc/ssr-runtime by @jhefferman-sfdc in #5034
• test(karma): add test for for:each issue #4889 by @nolanlawson in #5053
• fix(ssr): missing bookends for slotted lwc:if not at the top-level by @cardoso in #5027
• fix(ssr): fix HTML comment bookends for if blocks by @nolanlawson in #5055
• fix(ssr-compiler): namespace & name are optional in CompilerTransformOptions by @cardoso in #5058
• test(ssr): test if with adjacent text by @nolanlawson in #5056
• test(karma): reduce #4889 even further by @nolanlawson in #5060
• fix(ssr): fix style attribute rendering by @nolanlawson in #5061
• fix(ssr-compiler): harmonize some wire errors by @cardoso in #5062
• fix: only call callback when needed @W-17420330 by @wjhsf in #5064
• fix(ssr): render from superclass by @cardoso in #5063
• test(ssr): add more superclass tests by @nolanlawson in #5065
• fix: use correct shadow root @W-17441501 by @wjhsf in #5070
• fix(ssr): align csr and ssr reflective behavior by @ekashida in #5050
• chore: release v8.12.2 @W-17485572 by @wjhsf in #5075

Full Changelog: v8.12.1...v8.12.2

v8.12.1

What's Changed

• build(deps): bump the theoretically-non-breaking group with 8 updates by @dependabot in #5019
• chore: refine fixture error message by @wjhsf in #5008
• chore: test usage of default slot with scoped data by @jhefferman-sfdc in #5024
• fix(ssr): extra bookends for light dom forwarded slots @W-17363666 by @cardoso in #5005
• fix(ssr): correctly render foreign namespace element closing tags by @jhefferman-sfdc in #4992
• fix: rendering slots with non-literal names by @jhefferman-sfdc in #5003
• always use / when splitting filename to get name and namespace by @danjunger in #5038
• build(deps-dev): bump the best group with 3 updates by @dependabot in #5042
• build(deps-dev): bump @rollup/plugin-node-resolve from 15.3.0 to 16.0.0 in the rollup group by @dependabot in #5043
• build(deps): bump the theoretically-non-breaking group across 1 directory with 18 updates by @dependabot in #5045
• build(deps): bump nanoid from 3.3.7 to 3.3.8 by @dependabot in #5041
• fix(ssr): add experimentalDynamicComponent aka dynamic imports by @nolanlawson in #5033
• test(ssr): add test for bookends with text concat by @nolanlawson in #5036
• chore: release v8.12.1 by @nolanlawson in #5047
• chore: release v8.12.1 by @nolanlawson in #5049

New Contributors

• @danjunger made their first contribution in #5038

Full Changelog: v8.12.0...v8.12.1

v8.12.0

What's Changed

• feat(ssr): template class binding @ W-17219264 by @cardoso in #4931
• chore: use volta for subdirs by @nolanlawson in #4945
• chore(perf-benchmarks): avoid yarn --immutable by @nolanlawson in #4951
• test(module-resolver): fix custom matchers by @cardoso in #4952
• chore: bump node version by @nolanlawson in #4946
• chore(nucleus): update branches for CLCO by @nolanlawson in #4956
• fix(ssr): normalize class in child attrs by @cardoso in #4953
• test: mixed lwc:component and tag by @cardoso in #4958
• fix(ssr): only default-exported classes are LWC components @W-17312358@ by @wjhsf in #4942
• fix(ssr): do not render class attribute when dynamic value is null, empty or undefined by @cardoso in #4960
• fix(ssr): non-empty text nodes adjacent with comments by @cardoso in #4965
• fix(ssr-compiler): transform of empty text strings by @jhefferman-sfdc in #4963
• chore(ssr): disable snapshot updates in fixtures by @cardoso in #4968
• chore(ssr): remove unique var generator by @wjhsf in #4970
• chore(ssr-compiler): Align isValidIdentifier with babel-plugin-component impl by @jhefferman-sfdc in #4964
• chore(test-utils): check parent directories for .only by @wjhsf in #4971
• fix(ssr): non-top-level light slots with if:true by @nolanlawson in #4967
• chore(prettier): format fixture input files by @wjhsf in #4972
• build(deps-dev): bump the theoretically-non-breaking group with 19 updates by @dependabot in #4977
• chore(dependabot): don't group prettier with non-breaking deps by @wjhsf in #4978
• fix(ssr): fix adjacent text node concatenation by @nolanlawson in #4974
• test(ssr): fix sync mode flag to work with concurrency by @wjhsf in #4982
• build(deps-dev): bump the theoretically-non-breaking group with 4 updates by @dependabot in #4981
• fix(ssr): correct import alias for generateMarkup symbol in lwc-component by @cardoso in #4975
• fix(ssr): adjacent text in <template>s by @nolanlawson in #4984
• fix(template-compiler): dynamic components with scoped slots by @cardoso in #4976
• test: better snapshot errors by @wjhsf in #4985
• test(ssr): add fixture for computed prop exploding by @wjhsf in #4989
• test(ssr): add fixture for lwc:if and comment with no text nodes by @wjhsf in #4993
• refactor(ssr): share node types in traversal by @nolanlawson in #4987
• fix(ssr): fix rendering scoped variables in iterators by @nolanlawson in #4990
• refactor(ssr): reduce duplicated text rendering logic by @nolanlawson in #4991
• fix(perf): avoid creating unnecessary sets @W-17361878 by @wjhsf in #4996
• fix(ssr): slightly address slots not at top level by @wjhsf in #4997
• feat(ssr): enable @wire on getters/setters by @wjhsf in #4986
• chore: use eslint cache by @cardoso in #5001
• refactor: partially fix slot forwarding in SSR by @jmsjtu in #4999
• fix(ssr): make context providers work again by @wjhsf in #5004
• chore: release v8.12.0 by @nolanlawson in #5017
• chore: release v8.12.0 by @nolanlawson in #5018

New Contributors

• @jhefferman-sfdc made their first contribution in #4963

Full Changelog: v8.11.0...v8.12.0

v8.11.0

What's Changed

• test(ssr): add tests for @wire errors by @nolanlawson in #4915
• chore(babel-plugin-component): remove redundant type-only dependencies by @cardoso in #4904
• fix(fixtures): always match empty file for undefined snapshots by @cardoso in #4923
• chore(perf-benchmarks): fix displayed benchmark name by @nolanlawson in #4922
• perf(ssr): speed up rendering stylesheets by @nolanlawson in #4924
• fix(ssr): remove generateMarkup export by @nolanlawson in #4925
• test(ssr): assert read-only-props for lwc:is by @nolanlawson in #4919
• test(ssr): add test for scoped slots with lwc:is by @nolanlawson in #4920
• build(deps-dev): bump the theoretically-non-breaking group with 15 updates by @dependabot in #4934
• perf(ssr): optimize light/shadow slotted content by @nolanlawson in #4921
• fix(rollup-plugin): remove undeclared dependency on ssr-compiler by @cardoso in #4933
• test(babel-plugin-component): add more tests for @wire by @nolanlawson in #4939
• chore: rm .package.json.swp by @wjhsf in #4937
• chore: release v8.11.0 by @nolanlawson in #4926
• chore: release v8.11.0 by @nolanlawson in #4940

Full Changelog: v8.10.1...v8.11.0