Kotlin End of Life (EOL) Dates and End of Support (EOS) Dates
10 Kotlin versions have reached End of Life (EOL) and End of Support (EOS), including Kotlin 2.2 (EOL date: Dec 16, 2025) — no longer receiving security updates or patches. Kotlin 2.3.21 is the current supported release. Also see Azul Zulu lifecycle dates for related end-of-life information.
Currently Supported Kotlin Releases - Active EOS/EOSL Support (1)
| Release | Released | Security Support | Latest |
|---|---|---|---|
| 2.3 | (5 months ago) | Active | 2.3.21 (1 month and 3 days ago) |
Kotlin End of Life (EOL) Releases - No Longer Supported (10)
| Release | Released | Security Support | Latest |
|---|---|---|---|
| 2.2 | (11 months ago) | (5 months ago) | 2.2.21 (7 months ago) |
| 2.1 | (1 year and 5 months ago) | (11 months ago) | 2.1.21 (1 year ago) |
| 2.0 | (2 years ago) | (1 year and 5 months ago) | 2.0.21 (1 year and 7 months ago) |
| 1.9 | (2 years and 10 months ago) | (2 years ago) | 1.9.25 (1 year and 10 months ago) |
| 1.8 | (3 years and 4 months ago) | (2 years and 10 months ago) | 1.8.22 (2 years and 11 months ago) |
| 1.7 | (3 years and 11 months ago) | (3 years and 4 months ago) | 1.7.22 (3 years and 5 months ago) |
| 1.6 | (4 years and 6 months ago) | (3 years and 11 months ago) | 1.6.21 (4 years and 1 month ago) |
| 1.5 | (5 years and 1 month ago) | (4 years and 5 months ago) | 1.5.32 (4 years and 5 months ago) |
| 1.4 | (5 years and 9 months ago) | (5 years and 1 month ago) | 1.4.32 (5 years and 1 month ago) |
| 1.3 | (7 years and 6 months ago) | (5 years and 9 months ago) | 1.3.72 (6 years and 1 month ago) |
Kotlin End of Life & Support Summary
Which Kotlin Versions Are Currently Supported?
Kotlin currently has 1 supported release. Kotlin 2.3.21 is the latest. Also see Python end of support for related end-of-life information.
Kotlin End of Life (EOL) Version History
10 Kotlin releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Kotlin 2.2 reached EOL on Dec 16, 2025. Kotlin 2.3.21 is the recommended upgrade for users still on End of Life versions.