KeepassXC (a must-have application and dealbreaker) is still broken on Wayland.
The recommended "solution" is to edit the .desktop file to resemble the following:
QT_QPA_PLATFORM=wayland ECORE_EVAS_ENGINE=wayland_egl ELM_ENGINE=wayland_egl SDL_VIDEODRIVER=wayland _JAVA_AWT_WM_NONREPARENTING=1 keepassxc