$ qt5ct
QApplication: invalid style override 'gtk' passed, ignoring it.
Available styles: bb10dark, bb10bright, cleanlooks, gtk2, cde, motif, plastique, qt5ct-style, Windows, Fusion
Cannot mix incompatible Qt library (5.15.0) with this library (5.15.1)
$ cmake-gui
QApplication: invalid style override 'gtk' passed, ignoring it.
Available styles: bb10dark, bb10bright, cleanlooks, gtk2, cde, motif, plastique, qt5ct-style, Windows, Fusion
Cannot mix incompatible Qt library (5.15.0) with this library (5.15.1)
$ librecad
RS_DEBUG::setLevel(3)
RS_DEBUG: Critical
RS_DEBUG: Errors
RS_DEBUG: Warnings
QApplication: invalid style override 'gtk' passed, ignoring it.
Available styles: bb10dark, bb10bright, cleanlooks, gtk2, cde, motif, plastique, qt5ct-style, Windows, Fusion
Cannot mix incompatible Qt library (5.15.0) with this library (5.15.1)
$ audacious
QApplication: invalid style override 'gtk' passed, ignoring it.
Available styles: bb10dark, bb10bright, cleanlooks, gtk2, cde, motif, plastique, qt5ct-style, Windows, Fusion
Cannot mix incompatible Qt library (5.15.0) with this library (5.15.1)
$ vlc
VLC media player 3.0.11.1 Vetinari (revision 3.0.11.1-0-g52483f3ca2)
QApplication: invalid style override 'gtk' passed, ignoring it.
Available styles: bb10dark, bb10bright, cleanlooks, gtk2, cde, motif, plastique, qt5ct-style, Windows, Fusion
Cannot mix incompatible Qt library (5.15.0) with this library (5.15.1)
Возможно ещё otter который я удалил.