Add Python 3.14 support

Add Python 3.14 to wheel build matrices, pyproject.toml classifiers,
requires-python range, black target versions, and documentation.

Note: the tokenizers submodule (extension/llm/tokenizers) needs a
separate update in its own repo.

Author: manuelcandales

.github/workflows/build-wheels-aarch64-linux.yml

@@ -32,7 +32,7 @@ jobs:
       test-infra-ref: main
       with-cuda: disabled
       with-rocm: disabled
-      python-versions: '["3.10", "3.11", "3.12", "3.13"]'
+      python-versions: '["3.10", "3.11", "3.12", "3.13", "3.14"]'
 
   build:
     needs: generate-matrix

.github/workflows/build-wheels-linux.yml

@@ -32,7 +32,7 @@ jobs:
       test-infra-ref: main
       with-cuda: disabled
       with-rocm: disabled
-      python-versions: '["3.10", "3.11", "3.12", "3.13"]'
+      python-versions: '["3.10", "3.11", "3.12", "3.13", "3.14"]'
 
   build:
     needs: generate-matrix

.github/workflows/build-wheels-macos.yml

@@ -32,7 +32,7 @@ jobs:
       test-infra-ref: main
       with-cuda: disabled
       with-rocm: disabled
-      python-versions: '["3.10", "3.11", "3.12", "3.13"]'
+      python-versions: '["3.10", "3.11", "3.12", "3.13", "3.14"]'
 
   build:
     needs: generate-matrix

.github/workflows/build-wheels-windows.yml

@@ -35,7 +35,7 @@ jobs:
       test-infra-ref: main
       with-cuda: disabled
       with-rocm: disabled
-      python-versions: '["3.10", "3.11", "3.12", "3.13"]'
+      python-versions: '["3.10", "3.11", "3.12", "3.13", "3.14"]'
 
   build:
     needs: generate-matrix

README-wheel.md

@@ -5,7 +5,7 @@ ExecuTorch is to enable wider customization and deployment capabilities of the
 PyTorch programs.
 
 The `executorch` pip package is in beta.
-* Supported python versions: 3.10, 3.11, 3.12, 3.13
+* Supported python versions: 3.10, 3.11, 3.12, 3.13, 3.14
 * Compatible systems: Linux x86_64, macOS aarch64
 
 The prebuilt `executorch.runtime` module included in this package provides a way

docs/source/getting-started.md

@@ -8,7 +8,7 @@ This section is intended to describe the necessary steps to take a PyTorch model
 ## System Requirements
 The following are required to install the ExecuTorch host libraries, needed to export models and run from Python. Requirements for target end-user devices are backend dependent. See the appropriate backend documentation for more information.
 
-- Python 3.10 - 3.13
+- Python 3.10 - 3.14
 - g++ version 7 or higher, clang++ version 5 or higher, or another C++17-compatible toolchain.
 - Linux (x86_64 or ARM64), macOS (ARM64), or Windows (x86_64).
     - Intel-based macOS systems require building PyTorch from source (see [Building From Source](using-executorch-building-from-source.md) for instructions).

docs/source/using-executorch-building-from-source.md

@@ -28,7 +28,7 @@ ExecuTorch is tested on the following systems, although it should also work in s
   - Otherwise, Python's built-in virtual environment manager `python venv` is a good alternative.
 * `g++` version 7 or higher, `clang++` version 5 or higher, or another
   C++17-compatible toolchain.
-* `python` version 3.10-3.13
+* `python` version 3.10-3.14
 * `ccache` (optional) - A compiler cache that speeds up recompilation
 * **macOS**
   - `Xcode Command Line Tools`

pyproject.toml

@@ -48,9 +48,10 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 
-requires-python = ">=3.10,<3.14"
+requires-python = ">=3.10,<3.15"
 dependencies=[
   "expecttest",
   "flatbuffers",
@@ -133,7 +134,7 @@ first_party_detection = false
 # Emit syntax compatible with older versions of python instead of only the range
 # specified by `requires-python`. TODO: Remove this once we support these older
 # versions of python and can expand the `requires-python` range.
-target-version = ["py38", "py39", "py310", "py311", "py312", "py313"]
+target-version = ["py38", "py39", "py310", "py311", "py312", "py313", "py314"]
 
 [tool.docformatter]
 black = true