AWS Lambda dotnetcore3.1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
AWS Lambda dotnetcore3.1 reached end of life on 3 May 2023. It no longer receives security fixes.
Support timeline
Official dates from the AWS Lambda release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 31 Mar 2020 | — |
| End of life | 3 May 2023 | 3.3 years ago |
| Active support ended | 3 Apr 2023 | security fixes only after this |
| Latest release | — | final |
Where to go from dotnetcore3.1
Recommended target: AWS Lambda java17.al2023.
The newest actively supported branch is AWS Lambda java17.al2023 (latest release ).
Frequently asked questions
Is AWS Lambda dotnetcore3.1 still safe to use?
AWS Lambda dotnetcore3.1 reached end of life on 3 May 2023, 1,194 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download AWS Lambda dotnetcore3.1?
Yes — the final release (dotnetcore3.1) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade AWS Lambda dotnetcore3.1 to?
Upgrade to AWS Lambda java17.al2023, the newest actively supported branch.