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Brian Okken: Testing against Python 3.14

Python 3.14is here.

If you haven’t done so, it’s time to update your projects to test against 3.14.

The following procedure is what I’m following for a handful of projects. Your process of course may be different if you use different tools.

Honestly, I’m partly writing this down so I don’t have to remember it all in a year when 3.15 rolls around.

Grab a local version of Python 3.14

Installing with uv

  • uv self update
  • uv python install 3.14

While it’s true that creating a virtual environment withuv venv .venv --python 3.14will install 3.14 if it isn’t already there, you still gotta runuv self update. So I just usually install it while I’m at it.

https://pythontest.com/testing-with-python-3-14/