Qt 6.0 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Qt 6.0 reached end of life on 5 May 2021. It no longer receives security fixes.
1,922 days without security patches
Recommended action: upgrade to Qt 6.11. Check your versionqmake --version
Support timeline
Official dates from the Qt release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 8 Dec 2020 | — |
| End of life | 5 May 2021 | 5.3 years ago |
| Extended support ends | 8 Dec 2021 | over |
| Latest release | 6.0.4 · 3 May 2021 | final |
Where to go from 6.0
Recommended target: Qt 6.11 (supported until 22 Sept 2026).
The newest actively supported branch is Qt 6.11 (latest release 6.11.1).
Frequently asked questions
Is Qt 6.0 still safe to use?
Qt 6.0 reached end of life on 5 May 2021, 1,922 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Qt 6.0?
Yes — the final release (6.0.4) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Qt 6.0 to?
Upgrade to Qt 6.11, the newest actively supported branch (supported until 22 Sept 2026).