qt6

For the Qt 6.5.0 release, the missing library was libxcb-cursor.so.0, resolved with sudo apt install libxcb-cursor0 With that, the sample widget and gui projects from QtCreator run correctly built with Qt 6.5.0. libxcb-cursor.so.0 wasn’t previously needed for Qt 6.4.0. I identified the missing library with this shell code for l in /path/to/Qt/6.5.0/gcc_64/lib/*.so; do echo $l; … Read more

Thank you everyone who tried to help to resolve my problem. The answer came from official Qt forum. Link to solution: https://forum.qt.io/topic/127696/qt-qpa-plugin-could-not-load-the-qt-platform-plugin-xcb-in-even-though-it-was-found/22 Basically, the problem was in lack of some dependencies. Because of specificity of Qt6 I had to install dependencies from Qt5 building manual. It’s hard to say lack of which dependency caused the … Read more