Qt6: Update to 6.11.2

Aug 18, 2026 by Jani Heikkinen

Qt 6.11.2 is now available for download. As a patch release, Qt 6.11.2
doesn’t introduce new features, but it delivers around 400 bug fixes,
security improvements, and quality enhancements on top of Qt 6.11.1.
For a full overview of the most notable changes, take a look at the
Qt 6.11.2 release notes.

Announcement:
https://www.qt.io/blog/qt-6.11.2-released
Release notes:
https://code.qt.io/cgit/qt/qtreleasenotes.git/about/qt/6.11.2/release-note.md

PySide6: Update to 6.11.2

MFH: 2026Q3
Security: a188c081-9ce8-11f1-8fc6-cb9659fdabad