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Opinion / analysisMLOps, Tooling & Infrastructure · Agents & Tool Use1 source · Oct 10, 2026

Python 3.15.0 added to actions/python-versions

Now that this has landed, you can add "3.15" to a GitHub Actions testing matrix to run tests against the new Python 3.15.0 release.

Key points

  • Bit of a niche link, but I've been waiting for this for a couple of days - I even told ChatGPT to check for it:

Sources (1)

  • [1]Python 3.15.0 added to actions/python-versions
    Simon Willison's Weblog · Oct 10, 11:58 PM
    Now that this has landed, you can add "3.15" to a GitHub Actions testing matrix to run tests against the new Python 3.15.0 release.
    Bit of a niche link, but I've been waiting for this for a couple of days - I even told ChatGPT to check for it:

Extractive summary: sentences quoted from the sources.

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