End of life / React / 19
Supported
React 19 is supported.
No end date has been announced yet.
- Released
- 5 Dec 2024
- Active support
- —
- Security fixes
- no date yet
- Latest
- 19.3.1
No upgrade needed yet.
Release cycles
Every React cycle, at a glance.
Active support means bug fixes and security fixes; after it, security fixes only. Past the end of security support, nothing.
- Active support
- Security fixes only
- Supported
- Ends within 90 days
- Ended
Cycle
Status
Released
Active until
Security until
Latest
How to check your version
Which React is this site on?
In the lock file
In the browser
$ React.version
"19.3.1"
# in the console, when React is loaded globally
Know before support ends.
Porro reads the PHP, framework and database version from every site and tells you 90 days before support runs out.
Dates from endoflife.date/react, checked daily · data as of 29 Oct 2026.