KDE Plasma 6.4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
KDE Plasma 6.4 reached end of life on 21 Oct 2025. It no longer receives security fixes.
292 days without security patches
Recommended action: upgrade to KDE Plasma 6.7. Check your versionplasmashell -v
Support timeline
Official dates from the KDE Plasma release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 17 Jun 2025 | — |
| End of life | 21 Oct 2025 | 0.8 years ago |
| Latest release | 6.4.6 · 11 Nov 2025 | final |
Where to go from 6.4
Recommended target: KDE Plasma 6.7.
The newest actively supported branch is KDE Plasma 6.7 (latest release 6.7.4).
Frequently asked questions
Is KDE Plasma 6.4 still safe to use?
KDE Plasma 6.4 reached end of life on 21 Oct 2025, 292 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download KDE Plasma 6.4?
Yes — the final release (6.4.6) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade KDE Plasma 6.4 to?
Upgrade to KDE Plasma 6.7, the newest actively supported branch.