Scala 3.4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Scala 3.4 reached end of life on 22 Aug 2024. It no longer receives security fixes.
717 days without security patches
Recommended action: upgrade to Scala 3.8. Check your versionscalac -version
Support timeline
Official dates from the Scala release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 14 Feb 2024 | — |
| End of life | 22 Aug 2024 | 2.0 years ago |
| Latest release | 3.4.3 · 23 Aug 2024 | final |
Where to go from 3.4
Recommended target: Scala 3.8.
The newest actively supported branch is Scala 3.8 (latest release 3.8.4).
Frequently asked questions
Is Scala 3.4 still safe to use?
Scala 3.4 reached end of life on 22 Aug 2024, 717 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Scala 3.4?
Yes — the final release (3.4.3) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Scala 3.4 to?
Upgrade to Scala 3.8, the newest actively supported branch.