Kotlin 1.8 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Kotlin 1.8 reached end of life on 6 Jul 2023. It no longer receives security fixes.
1,130 days without security patches
Recommended action: upgrade to Kotlin 2.4. Check your versionkotlinc-native -version
Support timeline
Official dates from the Kotlin release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 28 Dec 2022 | — |
| End of life | 6 Jul 2023 | 3.1 years ago |
| Latest release | 1.8.22 · 8 Jun 2023 | final |
Where to go from 1.8
Recommended target: Kotlin 2.4.
The newest actively supported branch is Kotlin 2.4 (latest release 2.4.10).
Frequently asked questions
Is Kotlin 1.8 still safe to use?
Kotlin 1.8 reached end of life on 6 Jul 2023, 1,130 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Kotlin 1.8?
Yes — the final release (1.8.22) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Kotlin 1.8 to?
Upgrade to Kotlin 2.4, the newest actively supported branch.