Vigia

Kotlin end-of-life dates and support status

As of 2026-10-08, the supported Kotlin versions are 2.4.

VersionStatusReleasedActive support untilEnd of lifeLatest
2.4Supported2026-06-03——2.4.20
2.3End of life2025-12-16—2026-06-032.3.21
2.2End of life2025-06-23—2025-12-162.2.21
2.1End of life2024-11-27—2025-06-232.1.21
2.0End of life2024-05-21—2024-11-272.0.21
1.9End of life2023-07-06—2024-05-211.9.25
1.8End of life2022-12-28—2023-07-061.8.22
1.7End of life2022-06-09—2022-12-281.7.22
1.6End of life2021-11-15—2022-06-091.6.21
1.5End of life2021-04-26—2021-11-291.5.32
1.4End of life2020-08-14—2021-04-261.4.32
1.3End of life2018-10-29—2020-08-141.3.72

Status is computed from today's date. "Security fixes only" means active support has ended but security fixes continue until end of life. Source: endoflife.date · release policy. Verified 2026-10-08.

Frequently asked questions

Which Kotlin versions are still supported?

As of 2026-10-08, the supported Kotlin versions are 2.4. Versions not listed are end of life and no longer receive security fixes.

What is the latest Kotlin version?

The newest Kotlin release cycle is 2.4, whose latest version is 2.4.20 (2026-09-07).

Give your AI agent these facts

Vigia is a free MCP server: your coding agent checks versions, breaking changes and vulnerabilities before it writes code. No signup, no API key.

claude mcp add --transport http vigia https://vigia.coredls.cloud/mcp

Add to CursorAdd to VS Code★ Star on GitHub

Any other MCP client
{ "mcpServers": { "vigia": { "url": "https://vigia.coredls.cloud/mcp" } } }

Agent skill (SKILL.md): tells the agent when to use Vigia · GitHub Action for pull requests

For agents

GET https://vigia.coredls.cloud/v1/eol/kotlin
GET https://vigia.coredls.cloud/v1/eol/kotlin/2.4