AWS Lambda Python 3.10 runtime (python3.10): sunset date 2026-10-31
The sunset date for the AWS Lambda Python 3.10 runtime is 2026-10-31, which is 21 days after 2026-10-10, the date this data was compiled.
- Provider
- Amazon Web Services
- Category
- cloud-function-runtime
- Sunset date
- 2026-10-31 (21 days remaining as of 2026-10-10)
- What stops working
- Lambda stops applying security patches and support to python3.10; creating and updating functions are blocked later (2027-07-29 and 2027-08-31).
- Replacement
- python3.13 or python3.14
Source
Lambda runtimes, docs.aws.amazon.com (printed as text, not linked). Read on 2026-10-10. Confirm the date on that page before acting.
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