diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index ff71365e69..f90140cbfa 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -226,12 +226,14 @@ We support:
 -  `Python 3.11`_
 -  `Python 3.12`_
 -  `Python 3.13`_
+-  `Python 3.14`_
 
 .. _Python 3.9: https://docs.python.org/3.9/
 .. _Python 3.10: https://docs.python.org/3.10/
 .. _Python 3.11: https://docs.python.org/3.11/
 .. _Python 3.12: https://docs.python.org/3.12/
 .. _Python 3.13: https://docs.python.org/3.13/
+.. _Python 3.14: https://docs.python.org/3.14/
 
 
 Supported versions can be found in our ``noxfile.py`` `config`_.
diff --git a/README.rst b/README.rst
index 20f1413155..05a77e7072 100644
--- a/README.rst
+++ b/README.rst
@@ -24,6 +24,8 @@ Vertex AI SDK for Python
 .. _Client Library Documentation: https://cloud.google.com/python/docs/reference/aiplatform/latest
 .. _Product Documentation:  https://cloud.google.com/vertex-ai/docs
 
+# Trivial comment for CI baseline
+
 Installation
 ~~~~~~~~~~~~
 
diff --git a/google/cloud/aiplatform/utils/source_utils.py b/google/cloud/aiplatform/utils/source_utils.py
index dc3c14a759..16c100b96f 100644
--- a/google/cloud/aiplatform/utils/source_utils.py
+++ b/google/cloud/aiplatform/utils/source_utils.py
@@ -183,6 +183,22 @@ def make_package(self, package_directory: str) -> str:
             # Copy script as module of python package.
             shutil.copy(self.script_path, script_out_path)
 
+        # Ensure setuptools is installed
+        install_setuptools_cmd = ["uv", "pip", "install", "setuptools"]
+        p_install = subprocess.Popen(
+            args=install_setuptools_cmd,
+            cwd=trainer_root_path,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+        )
+        output, error = p_install.communicate()
+
+        if p_install.returncode != 0:
+            raise RuntimeError(
+                "Failed to install setuptools, code %d\n%s \n%s"
+                % (p_install.returncode, output.decode(), error.decode())
+            )
+
         # Run setup.py to create the source distribution.
         setup_cmd = [
             _get_python_executable()
diff --git a/noxfile.py b/noxfile.py
index 2ea6d71713..2a42546e32 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -32,7 +32,7 @@
 ISORT_VERSION = "isort==5.10.1"
 LINT_PATHS = ["docs", "google", "vertexai", "tests", "noxfile.py", "setup.py"]
 
-DEFAULT_PYTHON_VERSION = "3.10"
+DEFAULT_PYTHON_VERSION = "3.14"
 
 DOCS_DEPENDENCIES = (
     "sphinx==5.0.2",
@@ -69,6 +69,7 @@
     "pytest-asyncio",
     # Preventing: py.test: error: unrecognized arguments: -n=auto --dist=loadscope
     "pytest-xdist",
+    "pyyaml>=5.3.1,<7",
 ]
 UNIT_TEST_EXTERNAL_DEPENDENCIES = []
 UNIT_TEST_LOCAL_DEPENDENCIES = []
@@ -78,7 +79,7 @@
 ]
 UNIT_TEST_EXTRAS_BY_PYTHON = {}
 
-SYSTEM_TEST_PYTHON_VERSIONS = ["3.10"]
+SYSTEM_TEST_PYTHON_VERSIONS = ["3.14"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "pytest",
@@ -121,6 +122,7 @@ def lint(session):
     serious code quality issues.
     """
     session.install(FLAKE8_VERSION, BLACK_VERSION)
+    session.run("uv", "pip", "list", "--format=freeze")
     session.run(
         "black",
         "--check",
@@ -133,7 +135,7 @@ def lint(session):
 @nox.session(python=DEFAULT_PYTHON_VERSION, venv_backend="virtualenv")
 def blacken(session):
     """Run black. Format code to uniform standard."""
-    session.install(BLACK_VERSION)
+    session.run("python", "-m", "pip", "freeze")
     session.run(
         "black",
         *LINT_PATHS,
@@ -147,6 +149,7 @@ def format(session):
     to format code to uniform standard.
     """
     session.install(BLACK_VERSION, ISORT_VERSION)
+    session.run("uv", "pip", "list", "--format=freeze")
     # Use the --fss option to sort imports using strict alphabetical order.
     # See https://pycqa.github.io/isort/docs/configuration/options.html#force-sort-within-sections
     session.run(
@@ -164,6 +167,7 @@ def format(session):
 def lint_setup_py(session):
     """Verify that setup.py is valid (including RST check)."""
     session.install("docutils", "pygments", "setuptools")
+    session.run("uv", "pip", "list", "--format=freeze")
     session.run("python", "setup.py", "check", "--restructuredtext", "--strict")
 
 
@@ -184,12 +188,6 @@ def install_unittest_dependencies(session, *constraints):
 
     if UNIT_TEST_EXTRAS_BY_PYTHON:
         extras = UNIT_TEST_EXTRAS_BY_PYTHON.get(session.python, [])
-    elif UNIT_TEST_EXTRAS:
-        extras = UNIT_TEST_EXTRAS
-    else:
-        extras = []
-
-    if extras:
         session.install("-e", f".[{','.join(extras)}]", *constraints)
     else:
         session.install("-e", ".", *constraints)
@@ -202,6 +200,7 @@ def default(session):
         CURRENT_DIRECTORY / "testing" / f"constraints-{session.python}.txt"
     )
     install_unittest_dependencies(session, "-c", constraints_path)
+    session.run("uv", "pip", "list", "--format=freeze")
 
     # Run py.test against the unit tests.
     session.run(
@@ -249,6 +248,7 @@ def unit_genai_minimal_dependencies(session):
     standard_deps = UNIT_TEST_STANDARD_DEPENDENCIES + UNIT_TEST_DEPENDENCIES
     session.install(*standard_deps)
     session.install("-e", ".")
+    session.run("uv", "pip", "list", "--format=freeze")
 
     # Run py.test against the unit tests.
     session.run(
@@ -277,6 +277,7 @@ def unit_ray(session, ray):
 
     # Install ray extras
     session.install("-e", ".[ray_testing]", "-c", constraints_path)
+    session.run("uv", "pip", "list", "--format=freeze")
 
     # Run py.test against the unit tests.
     session.run(
@@ -303,6 +304,7 @@ def unit_langchain(session):
 
     # Install langchain extras
     session.install("-e", ".[langchain_testing]", "-c", constraints_path)
+    session.run("uv", "pip", "list", "--format=freeze")
 
     # Run py.test against the unit tests.
     session.run(
@@ -329,6 +331,7 @@ def unit_ag2(session):
 
     # Install ag2 extras
     session.install("-e", ".[ag2_testing]", "-c", constraints_path)
+    session.run("uv", "pip", "list", "--format=freeze")
 
     # Run py.test against the unit tests.
     session.run(
@@ -357,6 +360,7 @@ def unit_llama_index(session):
 
     # Install llama_index extras
     session.install("-e", ".[llama_index_testing]", "-c", constraints_path)
+    session.run("uv", "pip", "list", "--format=freeze")
 
     # Run py.test against the unit tests.
     session.run(
@@ -426,6 +430,7 @@ def system(session):
         session.skip("System tests were not found")
 
     install_systemtest_dependencies(session, "-c", constraints_path)
+    session.run("uv", "pip", "list", "--format=freeze")
 
     # Run py.test against the system tests.
     if system_test_exists:
@@ -454,6 +459,7 @@ def cover(session):
     test runs (not system test runs), and then erases coverage data.
     """
     session.install("coverage", "pytest-cov")
+    session.run("uv", "pip", "list", "--format=freeze")
     session.run("coverage", "report", "--show-missing", "--fail-under=85")
 
     session.run("coverage", "erase")
@@ -468,6 +474,7 @@ def docs(session):
         *DOCS_DEPENDENCIES,
         "google-cloud-aiplatform[prediction]",
     )
+    session.run("python", "-m", "pip", "freeze")
 
     shutil.rmtree(os.path.join("docs", "_build"), ignore_errors=True)
     session.run(
@@ -492,6 +499,7 @@ def docfx(session):
         *DOCFX_DEPENDENCIES,
         "google-cloud-aiplatform[prediction]",
     )
+    session.run("python", "-m", "pip", "freeze")
 
     shutil.rmtree(os.path.join("docs", "_build"), ignore_errors=True)
     session.run(
@@ -525,6 +533,7 @@ def gemini_docs(session):
 
     session.install("-e", ".")
     session.install(*DOCS_DEPENDENCIES)
+    session.run("python", "-m", "pip", "freeze")
 
     shutil.rmtree(os.path.join("docs", "_build"), ignore_errors=True)
     session.run(
@@ -546,6 +555,7 @@ def gemini_docfx(session):
 
     session.install("-e", ".")
     session.install(*DOCFX_DEPENDENCIES)
+    session.run("python", "-m", "pip", "freeze")
 
     shutil.rmtree(os.path.join("docs", "_build"), ignore_errors=True)
     session.run(
@@ -631,6 +641,7 @@ def prerelease_deps(session):
         "google-auth",
     ]
     session.install(*other_deps)
+    session.run("uv", "pip", "list", "--format=freeze")
 
     # Print out prerelease package versions
     session.run(
diff --git a/owlbot.py b/owlbot.py
index 569c043bfa..b5a55ca428 100644
--- a/owlbot.py
+++ b/owlbot.py
@@ -98,7 +98,7 @@
 
     templated_files = common.py_library(
         cov_level=98,
-        system_test_python_versions=["3.9"],
+        system_test_python_versions=["3.14"],
         unit_test_python_versions=["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"],
         unit_test_extras=["testing"],
         system_test_extras=["testing"],
diff --git a/samples/model-builder/noxfile.py b/samples/model-builder/noxfile.py
index a169b5b5b4..69bcaf56de 100644
--- a/samples/model-builder/noxfile.py
+++ b/samples/model-builder/noxfile.py
@@ -89,7 +89,7 @@ def get_pytest_env_vars() -> Dict[str, str]:
 
 # DO NOT EDIT - automatically generated.
 # All versions used to test samples.
-ALL_VERSIONS = ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+ALL_VERSIONS = ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
 # Any default versions that should be ignored.
 IGNORED_VERSIONS = TEST_CONFIG["ignored_versions"]
diff --git a/samples/snippets/noxfile.py b/samples/snippets/noxfile.py
index a169b5b5b4..69bcaf56de 100644
--- a/samples/snippets/noxfile.py
+++ b/samples/snippets/noxfile.py
@@ -89,7 +89,7 @@ def get_pytest_env_vars() -> Dict[str, str]:
 
 # DO NOT EDIT - automatically generated.
 # All versions used to test samples.
-ALL_VERSIONS = ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+ALL_VERSIONS = ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
 # Any default versions that should be ignored.
 IGNORED_VERSIONS = TEST_CONFIG["ignored_versions"]
diff --git a/setup.py b/setup.py
index bd3a7fe965..ccee0e1c4a 100644
--- a/setup.py
+++ b/setup.py
@@ -118,7 +118,8 @@
     "google-cloud-bigquery-storage",
     "google-cloud-bigquery",
     "pandas >= 1.0.0",
-    "pyarrow >= 6.0.1",
+    "pyarrow >= 6.0.1, <= 14.0.2; python_version < '3.11'",
+    "pyarrow >= 15.0.0; python_version >= '3.11'",
     "immutabledict",
 ]
 
@@ -278,6 +279,8 @@
         "requests-toolbelt <= 1.0.0",
         "immutabledict",
         "xgboost",
+        "setuptools",
+        "pyyaml>=5.3.1,<7",
     ]
 )
 
diff --git a/testing/constraints-ray-2.33.0.txt b/testing/constraints-ray-2.33.0.txt
index 10bc7c96f9..095993ca47 100644
--- a/testing/constraints-ray-2.33.0.txt
+++ b/testing/constraints-ray-2.33.0.txt
@@ -1,13 +1,16 @@
 ray==2.33.0
+numpy<2.0.0  # Ray 2.33.0 not compatible with NumPy 2.x
 # Below constraints are inherited from constraints-3.10.txt
+setuptools<70.0.0
 google-api-core
 proto-plus==1.22.3
 protobuf
 mock==4.0.2
-google-cloud-storage==3.0.0 # Updated to v3.x, backward compatible with v2.x via wrapper
+google-cloud-storage==2.2.1 # Increased for kfp 2.0 compatibility
 packaging==24.1 # Increased to unbreak canonicalize_version error (b/377774673)
 grpcio-testing==1.34.0
 mlflow==1.30.1 # Pinned to speed up installation
 pytest-xdist==3.3.1 # Pinned to unbreak unit tests
 IPython # Added to test supernova rich html buttons
-
+pandas==2.1.4 # Pandas must be <2.2.0 to be compatible with ray 2.33.0
+scikit-learn<1.6.0  # Breaking Ray 2.33.0
\ No newline at end of file
diff --git a/testing/constraints-ray-2.42.0.txt b/testing/constraints-ray-2.42.0.txt
index 5844dca74f..a97fc6af46 100644
--- a/testing/constraints-ray-2.42.0.txt
+++ b/testing/constraints-ray-2.42.0.txt
@@ -1,13 +1,16 @@
 ray==2.42.0
+numpy<2.0.0  # Ray 2.42.0 not compatible with NumPy 2.x on Py 3.10
 # Below constraints are inherited from constraints-3.10.txt
+setuptools<70.0.0
 google-api-core
 proto-plus==1.22.3
 protobuf
 mock==4.0.2
-google-cloud-storage==3.0.0 # Updated to v3.x, backward compatible with v2.x via wrapper
+google-cloud-storage==2.2.1 # Increased for kfp 2.0 compatibility
 packaging==24.1 # Increased to unbreak canonicalize_version error (b/377774673)
 grpcio-testing==1.34.0
 mlflow==1.30.1 # Pinned to speed up installation
 pytest-xdist==3.3.1 # Pinned to unbreak unit tests
 IPython # Added to test supernova rich html buttons
-
+pandas==2.1.4 # Pandas must be <2.2.0 to be compatible with ray 2.42.0
+scikit-learn<1.6.0  # Breaking Ray 2.42.0
\ No newline at end of file
diff --git a/testing/constraints-ray-2.9.3.txt b/testing/constraints-ray-2.9.3.txt
index c4c1ea816c..03023a2cba 100644
--- a/testing/constraints-ray-2.9.3.txt
+++ b/testing/constraints-ray-2.9.3.txt
@@ -1,4 +1,5 @@
 ray==2.9.3
+numpy<2.0.0  # Ray 2.9.3 not compatible with NumPy 2.x
 # Below constraints are inherited from constraints-3.10.txt
 setuptools<70.0.0
 google-api-core
diff --git a/tests/unit/vertex_ray/test_vertex_ray_client.py b/tests/unit/vertex_ray/test_vertex_ray_client.py
index a896b101b4..9bd7d868d3 100644
--- a/tests/unit/vertex_ray/test_vertex_ray_client.py
+++ b/tests/unit/vertex_ray/test_vertex_ray_client.py
@@ -24,14 +24,25 @@
 
 # -*- coding: utf-8 -*-
 
-_TEST_CLIENT_CONTEXT = ray.client_builder.ClientContext(
-    dashboard_url=tc.ClusterConstants.TEST_VERTEX_RAY_DASHBOARD_ADDRESS,
-    python_version="MOCK_PYTHON_VERSION",
-    ray_version="MOCK_RAY_VERSION",
-    ray_commit="MOCK_RAY_COMMIT",
-    _num_clients=1,
-    _context_to_restore=None,
-)
+try:
+    _TEST_CLIENT_CONTEXT = ray.client_builder.ClientContext(
+        dashboard_url=tc.ClusterConstants.TEST_VERTEX_RAY_DASHBOARD_ADDRESS,
+        python_version="MOCK_PYTHON_VERSION",
+        ray_version="MOCK_RAY_VERSION",
+        ray_commit="MOCK_RAY_COMMIT",
+        protocol_version=0,
+        _num_clients=1,
+        _context_to_restore=None,
+    )
+except TypeError:
+    _TEST_CLIENT_CONTEXT = ray.client_builder.ClientContext(
+        dashboard_url=tc.ClusterConstants.TEST_VERTEX_RAY_DASHBOARD_ADDRESS,
+        python_version="MOCK_PYTHON_VERSION",
+        ray_version="MOCK_RAY_VERSION",
+        ray_commit="MOCK_RAY_COMMIT",
+        _num_clients=1,
+        _context_to_restore=None,
+    )
 
 _TEST_VERTEX_RAY_CLIENT_CONTEXT = vertex_ray.client_builder._VertexRayClientContext(
     persistent_resource_id="MOCK_PERSISTENT_RESOURCE_ID",