I've got a QT application that uses QFileDialog::getOpenFileName and QFileDialog::getSaveFileName. Whan I build the AppImage file on a Ubuntu 22.04 machine, than the AppImage is working correctly on ...

When Qt and QPA plugin are dynamic linked: $ ./src/qt/bitcoin-qt -printtoconsole 2020-07-15T09:15:39Z [main] Bitcoin Core version v0.20.0 (release build) 2020-07-15T09:15:39Z [main] Qt 5.12.8 (dynamic ...