Qt 6.12 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Qt 6.12 is actively supported. It reaches end of life on 1 Apr 2027.
178 days of security support left
6.12.0 latest release
3% of this branch's supported lifetime has elapsed — 30 Sept 2026 → 1 Apr 2027.
Check your versionqmake --version
Support timeline
Official dates from the Qt release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 30 Sept 2026 | this month |
| OSS support ends | 1 Apr 2027 | in 6mo |
| Commercial support ends | 1 Oct 2031 | in 5y |
| Latest release | 6.12.0 · 30 Sept 2026 | current |
How much runway a newer branch buys
Qt 6.12 is the newest branch — this is the longest runway currently available.
| Branch | End of life | Days left | vs 6.12 |
|---|---|---|---|
| Qt 6.12 | 1 Apr 2027 | 178 | this branch |
Frequently asked questions
When does Qt 6.12 reach end of life?
Qt 6.12 reaches end of life on 1 Apr 2027 — 178 days from now. After that date it receives no security fixes.
Is Qt 6.12 still supported?
Yes. Qt 6.12 is currently maintained. Latest release: 6.12.0, published 30 Sept 2026.
What happens when Qt 6.12 reaches end of life?
Security fixes stop. After 1 Apr 2027 this branch receives no further updates under standard support, though extended support runs to 1 Oct 2031.
How long do I have to upgrade from Qt 6.12?
178 days. This is already the newest branch, so this is the longest runway currently available.