GitHub Actions now supports experimental free-threaded CPython! There are three ways to add it to your test matrix: actions/setup-python: t suffix actions/setup-uv: t suffix actions/setup-python: freethreaded variable actions/setup-python: t suffix # Using actions/setup-python, you can add the t suffix for Python versions 3.13 and higher: 3.13t and 3.14t. This is my preferred method, we can clearly see which versions are free-threaded and it’s straightforward to test both regular and free-t...
