[REG 6.3.0beta2->beta3] bluetooth/heartrate-server not compiling on iOS

Users/qt/RTA/Qt_6.3.0/6.3.0/ios/bin/qt-cmake -S /Users/qt/RTA/Qt_6.3.0/Examples/Qt-6.3.0/bluetooth/heartrate-server -B /Users/qt/RTA/Qt_6.3.0/Examples/Qt-6.3.0/bluetooth/heartrate-server/bld_ios -GNinja

[5/5] Linking CXX executable heartrate-server.app/heartrate-server
FAILED: heartrate-server.app/heartrate-server 
: && /Applications/Xcode12.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -arch arm64 -isysroot /Applications/Xcode12.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS14.4.sdk -miphoneos-version-min=13.0 -Wl,-headerpad_max_install_names -Wl,-e,_qt_main_wrapper /Users/qt/RTA/Qt_6.3.0/6.3.0/ios/plugins/networkinformation/objects-Debug/QSCNetworkReachabilityNetworkInformationPlugin_init/QSCNetworkReachabilityNetworkInformationPlugin_init.cpp.o /Users/qt/RTA/Qt_6.3.0/6.3.0/ios/plugins/tls/objects-Debug/QSecureTransportBackendPlugin_init/QSecureTransportBackendPlugin_init.cpp.o CMakeFiles/heartrate-server.dir/heartrate-server_autogen/mocs_compilation.cpp.o CMakeFiles/heartrate-server.dir/main.cpp.o -o heartrate-server.app/heartrate-server  /Users/qt/RTA/Qt_6.3.0/6.3.0/ios/lib/libQt6Core.a  /Users/qt/RTA/Qt_6.3.0/6.3.0/ios/./plugins/networkinformation/libqscnetworkreachability.a  /Users/qt/RTA/Qt_6.3.0/6.3.0/ios/./plugins/tls/libqsecuretransportbackend.a  /Users/qt/RTA/Qt_6.3.0/6.3.0/ios/lib/libQt6Bluetooth.a  -framework CoreBluetooth  /Users/qt/RTA/Qt_6.3.0/6.3.0/ios/lib/libQt6Network.a  -framework SystemConfiguration  /Users/qt/RTA/Qt_6.3.0/6.3.0/ios/lib/libQt6Core.a  -framework CoreFoundation  -framework Foundation  -lz  -lm  /Users/qt/RTA/Qt_6.3.0/6.3.0/ios/lib/libQt6BundledPcre2.a  -framework MobileCoreServices  -framework UIKit  -framework Security && :
Undefined symbols for architecture arm64:
  "_qt_main_wrapper", referenced from:
     implicit entry/start for main executable
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.