Kotlin end-of-life: support & EOL dates for every release
JetBrains · Language / Runtime · 0 supported · 11 end-of-life · updated June 2026 · what is end-of-life? →
Every tracked Kotlin release line in our data has reached end-of-life — they no longer receive security updates. Check with the vendor for any newer release line.
Kotlin support timeline
Each release line and the date it reaches end-of-life — newest first.
| Release | Latest version | End-of-life | Status |
|---|---|---|---|
| Kotlin 2.3 | 2.3.21 | 3 Jun 2026 | End of life |
| Kotlin 2.2 | 2.2.21 | 16 Dec 2025 | End of life |
| Kotlin 2.1 | 2.1.21 | 23 Jun 2025 | End of life |
| Kotlin 2.0 | 2.0.21 | 27 Nov 2024 | End of life |
| Kotlin 1.9 | 1.9.25 | 21 May 2024 | End of life |
| Kotlin 1.8 | 1.8.22 | 6 Jul 2023 | End of life |
| Kotlin 1.7 | 1.7.22 | 28 Dec 2022 | End of life |
| Kotlin 1.6 | 1.6.21 | 9 Jun 2022 | End of life |
| Kotlin 1.5 | 1.5.32 | 29 Nov 2021 | End of life |
| Kotlin 1.4 | 1.4.32 | 26 Apr 2021 | End of life |
| Kotlin 1.3 | 1.3.72 | 14 Aug 2020 | End of life |
Which Kotlin version should I run?
The safest choice is the latest supported release, 2.4.0. If you're on an end-of-life line, plan an upgrade to a supported one before security updates stop. See Kotlin's full security status →
Get warned before Kotlin reaches end-of-life
End-of-life dates are easy to miss until it's too late. Monitor Kotlin on IsItPatched and we'll email you before the release line you run stops getting security updates — free, no account needed to start.
Kotlin end-of-life — frequently asked
What Kotlin versions are still supported?
Every tracked Kotlin release line in our data has reached end-of-life. Check the vendor for any newer line.
Is Kotlin end-of-life?
All tracked Kotlin release lines have reached end-of-life in our data.
How do I know when my Kotlin version reaches end of life?
Check the version you run on its product page, or monitor Kotlin on IsItPatched to get an email alert before the release line you use reaches end-of-life — so you can upgrade in time.
EOL dates aggregated from endoflife.date and vendor sources, and can change — always confirm with JetBrains. See related: Kotlin security status · full EOL calendar · what is end-of-life software? · disclaimer.