Should list libqxcb.so , libqoffscreen.so , etc.
QT_QPA_PLATFORM – set to plugin name (e.g., xcb , windows , offscreen ). Example: qt platform plugin
The plugin isn't just a file, he thought. It’s a handshake. Should list libqxcb
echo $QT_QPA_PLATFORM echo $QT_QPA_PLATFORM_PLUGIN_PATH echo $LD_LIBRARY_PATH # Linux echo $PATH # Windows DLL search Should list libqxcb.so
Linux example: