AWS 246 days
AWS Lambda Python 3.11 (python3.11) end of life (runtime deprecation)
By June 30, 2027: migrate functions to python3.13 or newer. That's when AWS Lambda stops supporting Python 3.11 (python3.11), and the security patches stop with it. Source: docs.aws.amazon.com, checked 2026-10-15.
- What's retiring
- Python 3.11 (python3.11) runtime deprecation (AWS Lambda)
- When
- June 30, 2027
- Days left
- 246 days left, as of 2026-10-27.
- What happens
- No more security patches or support; later Lambda blocks function create, then update.
- What to do
- Migrate functions to python3.13 or newer.
- Kind of change
- Runtime end of life
- Official source
- docs.aws.amazon.com ↗ (last checked 2026-10-15)
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