Anyone has an idea why the app may crash with a code signing issue loading the TCC.framework? That is part of WKPreferences checking for microphone access. The application is code signed and launches without problems. Just when this code comes to initialize WebKit, it crashes. Crash report below: Process: *** [2515] Path: /Applications/***/***.app/Contents/MacOS/*** Identifier: com.*** Version: *** Code Type: X86-64 (Native) Parent Process: ??? [1] Responsible: *** [2515] User ID: 501 Date/Time: 2021-01-18 18:49:20.422 +0100 OS Version: macOS 11.1 (20C69) Report Version: 12 Anonymous UUID: 6C139A3D-EE05-2F5E-5F04-905EF3979413 Time Awake Since Boot: 940 seconds System Integrity Protection: enabled Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXCBADACCESS (Code Signature Invalid) Exception Codes: 0x0000000000000032, 0x0000000118cea6a0 Exception Note: EXCCORPSENOTIFY Termination Reason: Namespace CODESIGNING, Code 0x2 kernel messages: VM Regions Near 0x118cea6a0: CoreAnimation 118ce7000-118cea000 [ 12K] r--/r-- SM=PRV -> _TEXT 118cea000-1190a5000 [ 3820K] r-x/rwx SM=COW /Users/*/Documents/*/*.dylib DATA 1190a5000-119399000 [ 3024K] rw-/rwx SM=COW /Users/*/Documents/*/*.dylib Application Specific Information: dyld: in dlopen() /System/Library/PrivateFrameworks/TCC.framework/TCC Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 dyld 0x0000000111974326 ImageLoaderMachO::getInstallPath() const + 20 1 dyld 0x0000000111965fb9 dyld::loadPhase5check(char const*, char const*, dyld::LoadContext const&) + 142 2 dyld 0x0000000111965477 dyld::loadPhase4(char const*, char const*, dyld::LoadContext const&, unsigned int&, std::1::vector<char const*, std::1::allocator<char const*> >*) + 185 3 dyld 0x00000001119651f2 dyld::loadPhase3(char const*, char const*, dyld::LoadContext const&, unsigned int&, std::1::vector<char const*, std::1::allocator<char const*> >*) + 1434 4 dyld 0x0000000111964845 dyld::loadPhase1(char const*, char const*, dyld::LoadContext const&, unsigned int&, std::1::vector<char const*, std::1::allocator<char const*> >*) + 186 5 dyld 0x000000011195ca4e dyld::loadPhase0(char const*, char const*, dyld::LoadContext const&, unsigned int&, std::1::vector<char const*, std::1::allocator<char const*> >*) + 487 6 dyld 0x000000011195c597 dyld::load(char const*, dyld::LoadContext const&, unsigned int&) + 126 7 dyld 0x000000011196a4ab dlopeninternal + 419 8 libdyld.dylib 0x00007fff2033afc0 dlopen_internal(char const*, int, void*) + 177 9 libdyld.dylib 0x00007fff2032986e dlopen + 28 10 com.apple.WebKit 0x00007fff3c83242b invocation function for block in TCCLibrary() + 21 11 com.apple.WebKit 0x00007fff3c83249a initkTCCServiceMicrophone() + 75 12 com.apple.WebKit 0x00007fff3c830264 WebKit::UserMediaPermissionRequestManagerProxy::permittedToCaptureAudio() + 132 13 com.apple.WebKit 0x00007fff3c5034d2 WebKit::WebPreferences::platformInitializeStore() + 60 14 com.apple.WebKit 0x00007fff3c7b2508 -[WKPreferences init] + 140 15 com.apple.WebKit 0x00007fff3c7d40da -[WKWebViewConfiguration preferences] + 27

Hello, project works fine in Xcode 12.5.1, but when I open it in 13.1 to test, I get error when hitting build. First it was an error with "unknownSession", but after cleaning, I now have a crash: Prepare build note: Using new build system note: Planning unexpected service error: The Xcode build system has crashed. Build again to continue.error: unexpected service error: The Xcode build system has crashed. Build again to continue.

Hello, is there something to do for developers for the M1 Ultra chip to use all GPU cores? When you output the power used, you may see that with heavy load, the GPU may not use full 120 W of power and it looks like some GPU cores may be idle. Is some entitlement needed, something for configuration? Or how can you get maximum performance there? Greetings Christian