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Python 3.15.0 added to actions/python-versions

Summary

Python 3.15.0 added to actions/python-versions 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: Clone https://github.com/actions/python-versions and git pull once an hour until they add the stable 3.15 - then tell me about it 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. Tags: github, python, github-actions, chatgpt

Python 3.15.0 added to actions/python-versions
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Python 3.15.0 added to actions/python-versions

Simon Willison’s Weblog

Newsletter

10th October 2026 - Link Blog

Python 3.15.0 added to actions/python-versions. 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:

Clone https://github.com/actions/python-versions and git pull once an hour until they add the stable 3.15 - then tell me about it

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.

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This is a link post by Simon Willison, posted on 10th October 2026.

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  • Python 3.15.0 added to actions/python-versions Bit…

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