Python 3.15.0 added to actions/python-versions 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. Posted 10th October 2026 at 11:58 pm Recent articles Hello Python 3.15, goodbye 3.10, and now I can use 3.11 - 12th October 2026 A new feature for my blog, built using my voice - 9th October 2026 Claude Haiku 5.5 - 7th October 2026 We're going to need default hard budget caps on pretty much everything - 3rd October 2026 This is a link post by Simon Willison, posted on 10th October 2026. github 196 python 1,291 github-actions 73 chatgpt 205 Monthly briefing Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments. Pay me to send you less! Sponsor & subscribe