Kotlin latest version & end-of-life dates
2.4.21
Release notes ↗
Kotlin currently has 1 supported release and 11 that have reached end of life. The newest is Kotlin 2.4, released Jun 3, 2026, now at 2.4.21. New releases come out about every 7 months, and each is supported for about 7 months.
Support timeline
What the colors mean
Supported
Today
+ 7 older branches below
Supported versions
| Branch | Released | Latest | Status | End of life |
|---|---|---|---|---|
| 2.4 | Jun 3, 2026 | 2.4.21 Oct 8, 2026 | Supported | Not announced |
11 end-of-life versions
| Branch | Released | Final version | End of life |
|---|---|---|---|
| 2.3 | Dec 16, 2025 | 2.3.21 | Jun 3, 2026 |
| 2.2 | Jun 23, 2025 | 2.2.21 | Dec 16, 2025 |
| 2.1 | Nov 27, 2024 | 2.1.21 | Jun 23, 2025 |
| 2.0 | May 21, 2024 | 2.0.21 | Nov 27, 2024 |
| 1.9 | Jul 6, 2023 | 1.9.25 | May 21, 2024 |
| 1.8 | Dec 28, 2022 | 1.8.22 | Jul 6, 2023 |
| 1.7 | Jun 9, 2022 | 1.7.22 | Dec 28, 2022 |
| 1.6 | Nov 15, 2021 | 1.6.21 | Jun 9, 2022 |
| 1.5 | Apr 26, 2021 | 1.5.32 | Nov 29, 2021 |
| 1.4 | Aug 14, 2020 | 1.4.32 | Apr 26, 2021 |
| 1.3 | Oct 29, 2018 | 1.3.72 | Aug 14, 2020 |
Quick answers
- What is the latest version of Kotlin?
- The latest version of Kotlin is 2.4.21, released on October 8, 2026.
- Which versions of Kotlin are still supported?
- Kotlin 2.4 is currently supported.
- When is the next Kotlin release?
- Kotlin 2.5 is expected around December 2026. That's an estimate from past release dates, not an official date. Recent versions have come out about every 6 months.
- How do I check which version of Kotlin I have?
- Run
kotlinc-native -version, then paste the result into the “Am I up to date?” box on this page.
Release history
RSSEvery version's release date is on its branch page.
Use this data
Package identifiers (for SBOM and vulnerability scanners)
- kotlin
Official release policy · Checked 3 hours ago