Qt 6.11 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Qt 6.11 is actively supported. It reaches end of life on 22 Sept 2026.
44 days of security support left
6.11.1 latest release
76% of this branch's supported lifetime has elapsed — 23 Mar 2026 → 22 Sept 2026.
Check your versionqmake --version
Support timeline
Official dates from the Qt release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 23 Mar 2026 | — |
| End of life (scheduled) | 22 Sept 2026 | in 44 days |
| Extended support ends | 23 Mar 2027 | 226 days left |
| Latest release | 6.11.1 · 13 May 2026 | current |
How much runway a newer branch buys
Qt 6.11 is the newest branch — this is the longest runway currently available.
| Branch | End of life | Days left | vs 6.11 |
|---|---|---|---|
| Qt 6.11 | 22 Sept 2026 | 44 | this branch |
Frequently asked questions
When does Qt 6.11 reach end of life?
Qt 6.11 reaches end of life on 22 Sept 2026 — 44 days from now. After that date it receives no security fixes.
Is Qt 6.11 still supported?
Yes. Qt 6.11 is currently maintained. Latest release: 6.11.1, published 13 May 2026.
What happens when Qt 6.11 reaches end of life?
Security fixes stop. After 22 Sept 2026 this branch receives no further updates under standard support, though extended support runs to 23 Mar 2027.
How long do I have to upgrade from Qt 6.11?
44 days. This is already the newest branch, so this is the longest runway currently available.