When Does Python 3.11 Reach End of Life? (Oct 2027)
Python 3.11 is in security-only mode. Here are the official dates.
Aditya Challa1 min read
Summary
Python 3.11 reaches end of life in October 2027, per PEP 664 and the official Python release-cycle data. It is already in the security-fix-only phase, so no new bug fixes or binary installers are released.
Python 3.11 key dates
- First release: 24 October 2022
- Status now: security fixes only
- End of life: October 2027
What security-only means
Only security patches are applied, released as source-only versions. After end of life, no fixes of any kind ship.
Upgrade path
Python 3.12, 3.13 and 3.14 are all supported. Test your dependencies on a newer version and plan the move well before October 2027.
Sources
Lab evidence
What I found running this
Facts in this draft were checked on 12 Oct 2026 against the primary sources listed in the body (official docs, release schedules or Google/YouTube help pages). No benchmarks or timings were run, so the post makes no performance or measurement claims; dates are quoted as published by the maintainers, and any estimate is labelled as such.
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