Hello Python 3.15, goodbye 3.10, and now I can use 3.11.

Simon Willison's WeblogAnalysis or commentary·12 Oct 2026, 18:15

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Python 3.15 has been released, with a What's new guide curated by release manager Hugo van Kemenade.

Written by AI from Simon Willison's Weblog's published text.

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“Python 3.15 is here ! Here's the essential What's new in Python 3.15 guide, this year curated by 3.14 and 3.15 release manager Hugo van Kemenade.”

Simon Willison's Weblog, 12 Oct 2026, 18:15.

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