Support Python 3.14

Author: seddonym

.github/workflows/main.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         python-version: [
-          "3.9", "3.10", "3.11", "3.12", "3.13-dev"
+          "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"
         ]
         os: [ubuntu-latest, macos-latest, windows-latest]
 
@@ -25,7 +25,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
@@ -40,7 +40,7 @@ jobs:
 
   check_rust:
     name: Check Rust
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
@@ -59,17 +59,17 @@ jobs:
         working-directory: ./rust
 
   benchmarks:
-      runs-on: ubuntu-22.04
+      runs-on: ubuntu-24.04
       steps:
-        - uses: actions/checkout@v4
+        - uses: actions/checkout@v5
 
         - name: Install uv
-          uses: astral-sh/setup-uv@v5
+          uses: astral-sh/setup-uv@v7
 
         - name: Setup python
-          uses: actions/setup-python@v5
+          uses: actions/setup-python@v6
           with:
-            python-version: "3.13"
+            python-version: "3.14"
             allow-prereleases: true
 
         # Temporarily install hardcoded dependencies here.
@@ -82,8 +82,9 @@ jobs:
             uv pip install pytest==7.4.4 pyyaml==6.0.1 pytest-codspeed==3.2.0 Django==5.1.1 /home/runner/work/grimp/grimp         
 
         - name: Run benchmarks
-          uses: CodSpeedHQ/action@v3
+          uses: CodSpeedHQ/action@v4
           with:
             token: ${{ secrets.CODSPEED_TOKEN }}
+            mode: instrumentation
             run: |
               uv run pytest tests/benchmarking/ --codspeed

.github/workflows/release.yml

@@ -33,15 +33,16 @@ jobs:
           - runner: ubuntu-latest
             target: ppc64le
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: |
             3.9
             3.10
             3.11
             3.12
             3.13
+            3.14
           allow-prereleases: true
       - name: Build wheels
         uses: PyO3/maturin-action@v1
@@ -70,15 +71,16 @@ jobs:
           - runner: ubuntu-latest
             target: armv7
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: |
             3.9
             3.10
             3.11
             3.12
             3.13
+            3.14
           allow-prereleases: true
       - name: Build wheels
         uses: PyO3/maturin-action@v1
@@ -103,15 +105,16 @@ jobs:
           - runner: windows-latest
             target: x86
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: |
             3.9
             3.10
             3.11
             3.12
             3.13
+            3.14
           allow-prereleases: true
           architecture: ${{ matrix.platform.target }}
       - name: Build wheels
@@ -136,15 +139,16 @@ jobs:
           - runner: macos-14
             target: aarch64
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: |
             3.9
             3.10
             3.11
             3.12
             3.13
+            3.14
           allow-prereleases: true
       - name: Build wheels
         uses: PyO3/maturin-action@v1
@@ -161,7 +165,7 @@ jobs:
   sdist:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Build sdist
         uses: PyO3/maturin-action@v1
         with:

CHANGELOG.rst

@@ -2,6 +2,11 @@
 Changelog
 =========
 
+latest
+------
+
+* Officially support Python 3.14.
+
 3.11 (2025-09-01)
 -----------------
 

pyproject.toml

@@ -31,6 +31,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Rust",
     "Topic :: Utilities",

tox.ini

@@ -3,7 +3,7 @@ envlist =
     clean,
     check,
     docs,
-    {py39,py310,py311,py312,py313},
+    {py39,py310,py311,py312,py313,py314},
 
 [base]
 deps =
@@ -26,6 +26,7 @@ basepython =
     py311: {env:TOXPYTHON:python3.11}
     py312: {env:TOXPYTHON:python3.12}
     py313: {env:TOXPYTHON:python3.13}
+    py314: {env:TOXPYTHON:python3.14}
     {clean,check,docs,report}: {env:TOXPYTHON:python3}
 setenv =
     PYTHONPATH={toxinidir}/tests
@@ -55,7 +56,7 @@ commands =
     lint-imports
 
 [testenv:benchmark]
-basepython = py313
+basepython = py314
 setenv =
     PYTHONPATH={toxinidir}/tests
     PYTHONUNBUFFERED=yes
@@ -71,7 +72,7 @@ commands =
     {posargs:pytest --benchmark-only --benchmark-autosave}
 
 [testenv:codspeed]
-basepython = py313
+basepython = py314
 setenv =
     PYTHONPATH={toxinidir}/tests
     PYTHONUNBUFFERED=yes
@@ -115,3 +116,4 @@ python =
     3.11: py311, report
     3.12: py312, report
     3.13: py313, report, check, docs
+    3.14: py314, report