Reproducible on Windows and Linux. Probably should include a patch of the upstream fix and request to backport to kde/5.15. Upstream bug report: https://bugreports.qt.io/browse/QTBUG-87871 Upstream commit (dev branch): https://invent.kde.org/qt/qt/qtbase/-/commit/33ddacdd24523acbdafcda0f520dd2d73c879cfb KDE backport tracker: https://invent.kde.org/qt/backports-tracker/-/issues/333
A possibly relevant merge request was started @ https://invent.kde.org/graphics/krita/-/merge_requests/1311
Git commit ba54a5ba2591dfcd3070ca9705131c24ab71a0db by Alvin Wong. Committed on 27/01/2022 at 16:03. Pushed by alvinwong into branch 'master'. qt: Fix hidpi menubar height in MDI mode with maximized subwindow Qt bug: https://bugreports.qt.io/browse/QTBUG-87871 M +5 -0 3rdparty/ext_qt/CMakeLists.txt A +44 -0 3rdparty/ext_qt/bug449118-QMdiSubWindow-Set-correct-ControlLabel-size.patch https://invent.kde.org/graphics/krita/commit/ba54a5ba2591dfcd3070ca9705131c24ab71a0db
Git commit 9c8abbb1b0d19101fce591ea8e4f237c9fe7a7ac by L. E. Segovia, on behalf of Alvin Wong. Committed on 25/02/2022 at 15:40. Pushed by lsegovia into branch 'krita/5.0'. qt: Fix hidpi menubar height in MDI mode with maximized subwindow Qt bug: https://bugreports.qt.io/browse/QTBUG-87871 (cherry picked from commit ba54a5ba2591dfcd3070ca9705131c24ab71a0db) M +5 -0 3rdparty/ext_qt/CMakeLists.txt A +44 -0 3rdparty/ext_qt/bug449118-QMdiSubWindow-Set-correct-ControlLabel-size.patch https://invent.kde.org/graphics/krita/commit/9c8abbb1b0d19101fce591ea8e4f237c9fe7a7ac