/usr/lib/gambas3/gb.qt5.so is in gambas3-gb-qt5 3.9.1-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/gambas3/gb.qt5.so.0.0.0
/usr/lib/gambas3/gb.qt5.so.0.0.0