[REG6.3.0beta2->beta3] some multimedia examples not compiling on macOS

/Users/qt/RTA/Qt_6.3.0/6.3.0/macos/bin/qt-cmake -S /Users/qt/RTA/Qt_6.3.0/Examples/Qt-6.3.0/multimedia/declarative-camera -B /Users/qt/RTA/Qt_6.3.0/Examples/Qt-6.3.0/multimedia/declarative-camera/bld_macos -GNinja

[7/7] Linking CXX executable declarative-camera.app/Contents/MacOS/declarative-camera
FAILED: declarative-camera.app/Contents/MacOS/declarative-camera 
: && /usr/bin/clang++ -isysroot /Applications/Xcode12.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -mmacosx-version-min=10.14 -Wl,-search_paths_first -Wl,-headerpad_max_install_names  CMakeFiles/declarative-camera.dir/declarative-camera_autogen/mocs_compilation.cpp.o CMakeFiles/declarative-camera.dir/qmlcamera.cpp.o CMakeFiles/declarative-camera.dir/bld_macos/.rcc/qrc_declarative-camera.cpp.o -o declarative-camera.app/Contents/MacOS/declarative-camera  -Wl,-rpath,/Users/qt/RTA/Qt_6.3.0/6.3.0/macos/lib  /Users/qt/RTA/Qt_6.3.0/6.3.0/macos/lib/QtMultimedia.framework/Versions/A/QtMultimedia  /Users/qt/RTA/Qt_6.3.0/6.3.0/macos/lib/QtQuick.framework/Versions/A/QtQuick  /Users/qt/RTA/Qt_6.3.0/6.3.0/macos/lib/QtQmlModels.framework/Versions/A/QtQmlModels  /Users/qt/RTA/Qt_6.3.0/6.3.0/macos/lib/QtQml.framework/Versions/A/QtQml  /Users/qt/RTA/Qt_6.3.0/6.3.0/macos/lib/QtNetwork.framework/Versions/A/QtNetwork  /Users/qt/RTA/Qt_6.3.0/6.3.0/macos/lib/QtOpenGL.framework/Versions/A/QtOpenGL  /Users/qt/RTA/Qt_6.3.0/6.3.0/macos/lib/QtGui.framework/Versions/A/QtGui  /Users/qt/RTA/Qt_6.3.0/6.3.0/macos/lib/QtCore.framework/Versions/A/QtCore  -framework DiskArbitration  -framework IOKit  -framework  OpenGL  -framework  AGL  -framework AppKit  -framework ImageIO  -framework Metal && cd /Users/qt/RTA/Qt_6.3.0/Examples/Qt-6.3.0/multimedia/declarative-camera/bld_macos && codesign --sign - --entitlements /Users/qt/RTA/Qt_6.3.0/Examples/Qt-6.3.0/multimedia/declarative-camera/declarative-camera.entitlements /Users/qt/RTA/Qt_6.3.0/Examples/Qt-6.3.0/multimedia/declarative-camera/bld_macos/declarative-camera.app
Failed to parse entitlements: AMFIUnserializeXML: syntax error near line 1
ninja: build stopped: subcommand failed.