Python: Add Python 3.15 support and refresh dependencies

.github/actions/python-setup/action.yml

@@ -17,7 +17,7 @@ runs:
     using: "composite"
     steps:
       - name: Set up uv
-        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
+        uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
         with:
             version-file: "python/pyproject.toml"
             enable-cache: true

.github/workflows/devflow-fix-ci.yml

@@ -146,9 +146,9 @@ jobs:
         with:
           python-version: '3.13'
       - if: ${{ steps.team.outputs.permitted == 'true' }}
-        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
+        uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
         with:
-          version: '0.11.x'
+          version: '0.13.1'
           enable-cache: false
       - name: Install trusted controller dependencies
         if: ${{ steps.team.outputs.permitted == 'true' }}
@@ -229,9 +229,9 @@ jobs:
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: '3.13'
-      - uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
+      - uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
         with:
-          version: '0.11.x'
+          version: '0.13.1'
           enable-cache: false
       - name: Install trusted controller dependencies
         run: uv sync --frozen --directory "$DEVFLOW_PATH"
@@ -405,9 +405,9 @@ jobs:
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: '3.13'
-      - uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
+      - uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
         with:
-          version: '0.11.x'
+          version: '0.13.1'
           enable-cache: false
       - name: Install trusted controller dependencies
         run: uv sync --frozen --directory "$DEVFLOW_PATH"

.github/workflows/devflow-pr-review.yml

@@ -246,9 +246,9 @@ jobs:
           python-version: "3.13"
 
       - name: Set up uv
-        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
+        uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
         with:
-          version: "0.11.x"
+          version: "0.13.1"
           enable-cache: auto
 
       - name: Install DevFlow dependencies

.github/workflows/github-automation-tests.yml

@@ -47,11 +47,11 @@ jobs:
 
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
-          python-version: "3.11"
+          python-version: "3.13"
 
-      - uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
+      - uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
         with:
-          version: "0.12.23"
+          version-file: "python/pyproject.toml"
 
       - name: Run JavaScript tests
         run: node --test .github/tests/*.js

.github/workflows/issue-triage.yml

@@ -190,9 +190,9 @@ jobs:
           python-version: "3.13"
 
       - name: Set up uv
-        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
+        uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
         with:
-          version: "0.11.x"
+          version: "0.13.1"
           enable-cache: true
 
       - name: Install DevFlow dependencies

.github/workflows/python-api-compatibility.yml

@@ -31,10 +31,11 @@ jobs:
           persist-credentials: false
 
       - name: Set up uv
-        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
+        uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
         with:
           enable-cache: false
-          version: "0.12.23"
+          version-file: "python/pyproject.toml"
+          python-version: "3.13"
 
       - name: Compare public API with the PR base
         working-directory: ${{ runner.temp }}

.github/workflows/python-lab-tests.yml

@@ -59,7 +59,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Set up uv
-        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
+        uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
         with:
           version-file: "python/packages/lab/pyproject.toml"
           python-version: ${{ matrix.python-version }}

.github/workflows/python-tests.yml

@@ -24,8 +24,8 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13", "3.14", "3.15"]
         # todo: add macos-latest when problems are resolved
         os: [ubuntu-latest, windows-latest]
-        # Full workspace setup still builds excluded native packages slowly on 3.15.
-        # The dedicated meta-package job below covers the reported Windows 3.14 install path.
+        # Full workspace setup still builds native packages slowly on Windows 3.15.
+        # The dedicated meta-package job below covers Windows installability on 3.14 and 3.15.
         exclude:
           - python-version: "3.15"
             os: windows-latest
@@ -44,8 +44,8 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           os: ${{ runner.os }}
-          # DuckDB has no Python 3.15 wheels yet; source builds dominate setup time.
-          exclude-packages: ${{ matrix.python-version == '3.10' && 'agent-framework-github-copilot agent-framework-azure-cosmos-memory' || matrix.python-version == '3.15' && 'agent-framework-sql-server agent-framework-duckdb agent-framework-redis' || '' }}
+          # DuckDB has no Python 3.15 wheels yet, and RedisVL declares Python <3.15.
+          exclude-packages: ${{ matrix.python-version == '3.10' && 'agent-framework-github-copilot agent-framework-azure-cosmos-memory' || matrix.python-version == '3.15' && 'agent-framework-duckdb agent-framework-redis' || '' }}
         env:
           # Configure a constant location for the uv cache
           UV_CACHE_DIR: /tmp/.uv-cache
@@ -72,11 +72,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.14"]
+        python-version: ["3.14", "3.15"]
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Set up uv
-        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
+        uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
         with:
           version-file: "python/pyproject.toml"
           enable-cache: true

python/.pre-commit-config.yaml

@@ -62,7 +62,7 @@ repos:
         additional_dependencies: ["bandit[toml]"]
   - repo: https://github.com/astral-sh/uv-pre-commit
     # uv version.
-    rev: 0.12.23
+    rev: 0.13.1
     hooks:
       # Update the uv lockfile
       - id: uv-lock

python/DEV_SETUP.md

@@ -60,17 +60,29 @@ version does not match.
 You can then run the following commands manually:
 
 ```bash
-# Install Python 3.10, 3.11, 3.12, and 3.13
-uv python install 3.10 3.11 3.12 3.13
-# Create a virtual environment with Python 3.10 (you can change this to 3.11, 3.12 or 3.13)
-PYTHON_VERSION="3.10"
+# Install every Python version covered by package or CI compatibility checks
+uv python install 3.10 3.11 3.12 3.13 3.14 3.15
+# Use Python 3.11 through 3.14 for a normal full-workspace development environment
+PYTHON_VERSION="3.13"
 uv venv --python $PYTHON_VERSION
 # Install AF and all workspace dependencies
 uv run poe install
 # Install prek hooks
 uv run poe prek-install
 ```
 
+Python 3.10 remains supported and tested for this release, but it is deprecated
+because upstream Python 3.10 has reached end of life. Prefer Python 3.11 or
+later for new development environments.
+
+The checked-in root workspace lock supports the common Python 3.11–3.14
+development range. CI validates the Python 3.10 and 3.15 boundaries by
+temporarily excluding workspace packages whose own Python constraints do not
+cover those versions; see `.github/actions/python-setup/action.yml`. For local
+work specifically targeting a boundary version, use an isolated
+package-scoped environment or the corresponding CI lane rather than expecting
+the frozen full-workspace install above to resolve unchanged.
+
 Alternatively, you can reinstall the venv, packages, dependencies and prek
 hooks with a single command. Poe is part of the cross-version development
 environment:

python/README.md

@@ -39,9 +39,27 @@ This selective approach is useful when you know which integrations you need, and
 
 Supported Platforms:
 
-- Python: 3.10+
+- Python: 3.10–3.15
 - OS: Windows, macOS, Linux
 
+Python 3.10 remains supported and tested for this release, but it is deprecated
+because upstream Python 3.10 has reached end of life. New environments should
+use Python 3.11 or later. A future Agent Framework release will raise the
+minimum version separately; this release does not remove Python 3.10 from
+package metadata or CI.
+
+### Python 3.15 limitations
+
+`pip install agent-framework` resolves and imports on Python 3.15, but it does
+not provide exactly the same feature set as Python 3.14:
+
+| Area | Python 3.15 impact |
+| --- | --- |
+| Declarative Power Fx | `agent-framework-declarative` is installed, but its `powerfx` dependency is not. YAML values beginning with `=` produce a warning and remain unchanged instead of being evaluated. Declarative agents or workflows that rely on expressions may therefore use invalid literal values or fail later. |
+| Redis | `agent-framework-redis` is omitted from the standard install because RedisVL declares `Requires-Python <3.15`. Redis imports and Redis-backed history, context, and vector storage are unavailable. |
+| Hyperlight | `agent-framework-hyperlight` is omitted because no compatible Python 3.15 sandbox backend wheel is published. Hyperlight CodeAct and its `execute_code` tool are unavailable. |
+| AG-UI A2UI | The base `agent-framework-ag-ui` package works, but pip cannot install its optional `a2ui` extra because `ag-ui-a2ui-toolkit` declares `Requires-Python <3.15`. |
+
 ## 1. Setup API Keys
 
 Set as environment variables, or create a .env file at your project root:

python/packages/a2a/pyproject.toml

@@ -20,6 +20,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Typing :: Typed",
 ]
 dependencies = [

python/packages/ag-ui/README.md

@@ -8,6 +8,14 @@ AG-UI protocol integration for Agent Framework, enabling seamless integration wi
 pip install agent-framework-ag-ui
 ```
 
+The base package supports Python 3.10–3.15. The optional A2UI integration
+currently supports Python 3.10–3.14 because `ag-ui-a2ui-toolkit` declares
+`Requires-Python <3.15`:
+
+```bash
+pip install "agent-framework-ag-ui[a2ui]"
+```
+
 ## Quick Start
 
 ### Server (Host an AI Agent)

python/packages/ag-ui/pyproject.toml

@@ -19,6 +19,8 @@ classifiers = [
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Typing :: Typed",
 ]
 dependencies = [

python/packages/anthropic/pyproject.toml

@@ -20,6 +20,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Typing :: Typed",
 ]
 dependencies = [

python/packages/azure-ai-search/pyproject.toml

@@ -20,6 +20,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Typing :: Typed",
 ]
 dependencies = [

python/packages/azure-contentunderstanding/pyproject.toml

@@ -20,6 +20,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Typing :: Typed",
 ]
 dependencies = [

python/packages/azure-cosmos-memory/pyproject.toml

@@ -19,6 +19,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Typing :: Typed",
 ]
 dependencies = [

python/packages/azure-cosmos/pyproject.toml

@@ -20,6 +20,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Typing :: Typed",
 ]
 dependencies = [

python/packages/azure-documentdb/pyproject.toml

@@ -19,6 +19,7 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: 3.15",
     "Typing :: Typed",
 ]
 dependencies = [

python/packages/bedrock/pyproject.toml

@@ -20,6 +20,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Typing :: Typed",
 ]
 dependencies = [

python/packages/chatkit/pyproject.toml

@@ -19,6 +19,8 @@ classifiers = [
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Typing :: Typed",
 ]
 dependencies = [

python/packages/claude/pyproject.toml

@@ -20,6 +20,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Typing :: Typed",
 ]
 dependencies = [

python/packages/copilotstudio/pyproject.toml

@@ -20,6 +20,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Typing :: Typed",
 ]
 dependencies = [

python/packages/core/README.md

@@ -22,9 +22,14 @@ pip install agent-framework-openai
 
 Supported Platforms:
 
-- Python: 3.10+
+- Python: 3.10–3.15
 - OS: Windows, macOS, Linux
 
+Python 3.10 remains supported and tested for this release, but it is deprecated
+because upstream Python 3.10 has reached end of life. New environments should
+use Python 3.11 or later. Removing Python 3.10 support will be handled in a
+future release rather than by this compatibility update.
+
 ## 1. Setup API Keys
 
 Depending on the client you want to use, there are various environment variables you can set to configure the chat clients. This can be done in the environment itself, or with a `.env` file in your project root, some examples of environment variables include:

python/packages/core/pyproject.toml

@@ -20,6 +20,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Typing :: Typed",
 ]
 dependencies = [

python/packages/core/tests/core/conftest.py

@@ -298,16 +298,16 @@ class MockAgentSession(AgentSession):
 # Mock Agent implementation for testing
 class MockAgent(SupportsAgentRun):
     @property
-    def id(self) -> str:  # type: ignore[override]  # pyrefly: ignore[bad-override]
+    def id(self) -> str:  # type: ignore[override]  # pyrefly: ignore[bad-override]  # ty: ignore[invalid-property-type-override]
         return str(uuid4())
 
     @property
-    def name(self) -> str | None:  # type: ignore[override]  # pyrefly: ignore[bad-override]
+    def name(self) -> str | None:  # type: ignore[override]  # pyrefly: ignore[bad-override]  # ty: ignore[invalid-property-type-override]
         """Returns the name of the agent."""
         return "Name"
 
     @property
-    def description(self) -> str | None:  # type: ignore[override]  # pyrefly: ignore[bad-override]
+    def description(self) -> str | None:  # type: ignore[override]  # pyrefly: ignore[bad-override]  # ty: ignore[invalid-property-type-override]
         return "Description"
 
     def run(  # type: ignore[override]  # pyrefly: ignore[bad-override]  # ty: ignore[invalid-method-override]

python/packages/declarative/README.md

@@ -6,6 +6,11 @@ Please install this package via pip:
 pip install agent-framework-declarative
 ```
 
+The package currently advertises Python 3.10–3.13 support. Python 3.14 and
+3.15 can install the package, but Power Fx expressions are unavailable because
+the `powerfx` dependency requires a `pythonnet` build that does not support
+those Python versions.
+
 ## Release stage
 
 This package ships at two different stability levels: