windeployqt does no longer copy all needed dlls and qml plugins

Something changed in the last beta, because my deploy script broke. Windeployqt (and macdeploy) does no longer copy the Qt6Widgets.dll, and the ScreenPlay/Qt/labs/platform/qtlabsplatformplugin.dll. If I copy them by hand it works again.

My deploy script simply calls windeployqt

"windeployqt.exe --{type}  --qmldir ../../{app}/qml {app}{executable_file_ending}" 

and macdeployqt

"{prefix_path}/bin/macdeployqt {app}.app  -qmldir=../../{app}/qml -executable={app}.app/Contents/MacOS/{app} -appstore-compliant" 

for my 3 apps. This works and it copys most of the dependencies, but not all. Here is my CMakeLists.txt https://gitlab.com/kelteseth/ScreenPlay/-/blob/master/ScreenPlay/CMakeLists.txt#L255

Also, what is the difference between windeployqt.exe and windeployqt6.exe?