Kotlin 2.x — End of Life
ActiveKotlin 2.x is partially supported: only 2.4 still receives security fixes. The most recent release in this series is 2.4.21. No CVE is currently tracked for Kotlin 2.x.
Kotlin 2.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status | Alert me |
|---|---|---|---|---|---|---|
| 2.4 | Jun 3, 2026 | — | No | 2.4.21 | Active | |
| 2.3 | Dec 16, 2025 | — | Jun 3, 2026 | 2.3.21 | EOL | |
| 2.2 | Jun 23, 2025 | — | Dec 16, 2025 | 2.2.21 | EOL | |
| 2.1 | Nov 27, 2024 | — | Jun 23, 2025 | 2.1.21 | EOL | |
| 2.0 | May 21, 2024 | — | Nov 27, 2024 | 2.0.21 | EOL |
CVEs affecting Kotlin 2.x (0)
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[](https://eolcanary.com/explore/kotlin/2)Frequently asked questions
Is Kotlin 2 end of life?
Partially. 4 of the 5 Kotlin 2.x releases have reached end of life. Still supported: 2.4.
What CVEs affect Kotlin 2?
No CVEs are currently tracked for Kotlin 2.x in the NVD data we monitor.
What is the latest Kotlin 2 version?
The latest Kotlin 2.x patch release is 2.4.21, released on October 8, 2026. Always run the latest patch to benefit from all security fixes.
When was Kotlin 2 first released?
Kotlin 2.0 was released on May 21, 2024. See the full version timeline in the table above.
Is it safe to run Kotlin 2 in production?
Only on a supported release (2.4). Make sure you run the latest patch (2.4.21) to have all security fixes applied.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA