Java SE 21 (LTS)
JAVA-SE-21Oracle · Release · Java SE
Supported until · in 1786 days
Java SE 21 (LTS) has an announced end-of-sale date; support continues until (in 1786 days).
- Released
- 3y 1mo ago
- End of software maintenance
- in 1y 11mo
- End of security support
- in 4y 11mo
- End of support
- in 4y 11mo
Lifecycle Milestones
| Released | 3y 1mo ago | |
|---|---|---|
| End of software maintenance | in 1y 11mo | |
| End of security vulnerability support | in 4y 11mo | |
| Last date of support | in 4y 11mo |
Is Java SE 21 (LTS) still maintained?
Yes. The catalog lists Oracle support for Java SE 21 (LTS) through 2031-09-30. See Oracle's lifecycle bulletin.
When do security fixes for Java SE 21 (LTS) stop?
Security fixes for Java SE 21 (LTS) stop on 2031-09-30. After that date, a system on this release cannot be patched against newly disclosed vulnerabilities without upgrading.
What should I upgrade Java SE 21 (LTS) to?
Upgrade to a currently maintained Oracle release. Check Oracle's release notes for the recommended version.
Java SE 21 (LTS) Release Lifecycle
Java SE 21 (LTS) is a release line of Oracle Java SE. Oracle ships bug fixes until the end of active support and security fixes until the end of security support; after that, systems still running it must move to a supported release to stay patchable. The dates below are the published milestones for this release line. Vendor support will continue until .