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Python 3.15.0 added to actions/python-versions

Blog · Watch/Read · (gathered 2026-10-14)

  • Simon Willison notes the addition of Python 3.15.0 to the actions/python-versions repository, a development he had been personally anticipating.
  • He even employed ChatGPT to monitor the https://github.com/actions/python-versions repository for the stable 3.15 release.
  • The practical takeaway is that developers can now add "3.15" to their GitHub Actions testing matrices to run tests against the new Python 3.15.0 release.