AWS Lambda runtimes Python 3.9 runtime deprecation date
Python 3.9 (python3.9) is deprecated on Dec 15, 2025; function creation is blocked from Jul 29, 2027 and updates from Aug 31, 2027.
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More from AWS Lambda runtimes
- Node.js 22 runtime (nodejs22.x)Deprecation
Node.js 22 Lambda runtime is deprecated on 2027-04-30; function creation is blocked 2027-07-29 and updates 2027-08-31.
- Python 3.11 runtime (python3.11)Deprecation
Python 3.11 Lambda runtime is deprecated on 2027-06-30; function creation is blocked 2027-07-29 and updates 2027-08-31.
- Python 3.10 runtime (python3.10)Deprecation
Python 3.10 Lambda runtime is deprecated on 2026-10-31; function creation is blocked 2027-07-29 and updates 2027-08-31.
- Java 17 runtime (java17)Deprecation
Java 17 runtime (java17, Amazon Linux 2) is deprecated 2027-06-30; function creation blocked 2027-07-29, updates blocked 2027-08-31.
- Ruby 3.3 runtimeDeprecation
Lambda ruby3.3 runtime is deprecated on 2027-03-31, with function create blocked from 2027-07-29 and update from 2027-08-31.
- provided.al2 OS-only runtimeDeprecation
Lambda provided.al2 OS-only runtime deprecation date is Jul 31, 2026; function creation is blocked from Jul 29, 2027 and updates from Aug 31, 2027.
- Node.js 20 runtime (nodejs20.x)Deprecation
Lambda nodejs20.x runtime was deprecated on 2026-04-30, with function create blocked from 2027-07-29 and update from 2027-08-31.
- Ruby 3.2 runtimeDeprecation
Ruby 3.2 (ruby3.2) is deprecated on Mar 31, 2026; function creation is blocked from Jul 29, 2027 and updates from Aug 31, 2027.