React end-of-life dates and support status
As of 2026-10-08, the supported React versions are 19, 18, 17, 16, 15.
| Version | Status | Released | Active support until | End of life | Latest |
|---|---|---|---|---|---|
| 19 | Supported | 2024-12-05 | — | — | 19.3.0 |
| 18 | Security fixes only | 2022-03-29 | 2024-12-05 | — | 18.3.1 |
| 17 | Security fixes only | 2020-10-20 | 2022-03-29 | — | 17.0.2 |
| 16 | Security fixes only | 2017-09-26 | 2020-10-20 | — | 16.14.0 |
| 15 | Security fixes only | 2016-04-07 | 2020-10-14 | — | 15.7.0 |
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 React versions are still supported?
As of 2026-10-08, the supported React versions are 19, 18, 17, 16, 15. Versions not listed are end of life and no longer receive security fixes.
What is the latest React version?
The newest React release cycle is 19, whose latest version is 19.3.0 (2026-09-09).
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/react GET https://vigia.coredls.cloud/v1/eol/react/19