Kotlin end of life
The newest Kotlin release still getting fixes is 2.4. Kotlin 2.3 reached end of life on 3 Jun 2026.
- 2.4 Supported
- 2.3 End of life
- 2.2 End of life
- 2.1 End of life
- 2.0 End of life
- 1.9 End of life
- 1.8 End of life
- 1.7 End of life
- 1.6 End of life
- 1.5 End of life
Which Kotlin version does your project use?
Drop your project into the End-of-Life Checker to see every runtime, base image and framework it uses, in your browser.
Every Kotlin release
| Release | Released | End of life | Latest | Status |
|---|---|---|---|---|
| 2.4 | 3 Jun 2026 | Not announced | 2.4.21 | Supported |
| 2.3 | 16 Dec 2025 | 3 Jun 2026 | 2.3.21 | End of life |
| 2.2 | 23 Jun 2025 | 16 Dec 2025 | 2.2.21 | End of life |
| 2.1 | 27 Nov 2024 | 23 Jun 2025 | 2.1.21 | End of life |
| 2.0 | 21 May 2024 | 27 Nov 2024 | 2.0.21 | End of life |
| 1.9 | 6 Jul 2023 | 21 May 2024 | 1.9.25 | End of life |
| 1.8 | 28 Dec 2022 | 6 Jul 2023 | 1.8.22 | End of life |
| 1.7 | 9 Jun 2022 | 28 Dec 2022 | 1.7.22 | End of life |
| 1.6 | 15 Nov 2021 | 9 Jun 2022 | 1.6.21 | End of life |
| 1.5 | 26 Apr 2021 | 29 Nov 2021 | 1.5.32 | End of life |
| 1.4 | 14 Aug 2020 | 26 Apr 2021 | 1.4.32 | End of life |
| 1.3 | 29 Oct 2018 | 14 Aug 2020 | 1.3.72 | End of life |
Questions
Frequently asked questions
Which Kotlin version should I use?
Kotlin 2.4 is the newest release still getting fixes. Check your own dependencies before upgrading.
When is Kotlin 2.4 end of life?
No end-of-life date has been published for Kotlin 2.4 yet; it is still supported.
When is Kotlin 2.3 end of life?
Kotlin 2.3 reached end of life on 3 Jun 2026 and no longer gets fixes.
Where these dates come from
From the Kotlin page on endoflife.date, maintained by its contributors and published under the MIT License, which follows Kotlin’s own release policy. We download it daily; these dates last changed on 15 Oct 2026 and were last confirmed on 16 Oct 2026. See Methodology & sources.