I updated to 4.22.3 on OSX and now keeps crashing. Below the crash log
Assertion failed: [File:/Users/build/Build/++UE4/Sync/Engine/Source/Runtime/Engine/Private/ShaderCompiler/ShaderCompiler.cpp] [Line: 4523] Failed to compile global shader TSlateElementPSFontfalsetrueA . Enable 'r.ShaderDevelopmentMode' in ConsoleVariables.ini for retries.
FGenericPlatformMisc::RaiseException(unsigned int) Address = 0x10c8e92cb (filename not found) [in UE4Editor-Core.dylib]
FMacErrorOutputDevice::Serialize(wchar_t const*, ELogVerbosity::Type, FName const&) Address = 0x10ca297ed (filename not found) [in UE4Editor-Core.dylib]
FOutputDevice::LogfImpl(wchar_t const*, ...) Address = 0x10cafd019 (filename not found) [in UE4Editor-Core.dylib]
AssertFailedImplV(char const*, char const*, int, wchar_t const*, __va_list_tag*) Address = 0x10ca919ad (filename not found) [in UE4Editor-Core.dylib]
FDebug::AssertFailed(char const*, char const*, int, wchar_t const*, ...) Address = 0x10ca91afb (filename not found) [in UE4Editor-Core.dylib]
ProcessCompiledJob(FShaderCompileJob*, FShaderPipelineType const*, TArray<EShaderPlatform, FDefaultAllocator>&, TArray<FShaderPipelineType const*, FDefaultAllocator>&) Address = 0x10ee2641c (filename not found) [in UE4Editor-Engine.dylib]
ProcessCompiledGlobalShaders(TArray<FShaderCommonCompileJob*, FDefaultAllocator> const&) Address = 0x10ee113f8 (filename not found) [in UE4Editor-Engine.dylib]
FShaderCompilingManager::ProcessCompiledShaderMaps(TMap<int, FShaderMapFinalizeResults, FDefaultSetAllocator, TDefaultMapHashableKeyFuncs<int, FShaderMapFinalizeResults, false> >&, float) Address = 0x10ee0fa8a (filename not found) [in UE4Editor-Engine.dylib]
FShaderCompilingManager::FinishCompilation(wchar_t const*, TArray<int, FDefaultAllocator> const&) Address = 0x10ee15a13 (filename not found) [in UE4Editor-Engine.dylib]
VerifyGlobalShaders(EShaderPlatform, bool) Address = 0x10ee21226 (filename not found) [in UE4Editor-Engine.dylib]
CompileGlobalShaderMap(EShaderPlatform, bool) Address = 0x10ee240a7 (filename not found) [in UE4Editor-Engine.dylib]
FEngineLoop::PreInit(wchar_t const*) Address = 0x10c7a6503 (filename not found) [in UE4Editor]
GuardedMain(wchar_t const*) Address = 0x10c7bb87f (filename not found) [in UE4Editor]
-[UE4AppDelegate runGameThread:] Address = 0x10c7c5c8e (filename not found) [in UE4Editor]
-[FCocoaGameThread main] Address = 0x10ca28801 (filename not found) [in UE4Editor-Core.dylib]
Unknown() Address = 0x7fff44a0a87e (filename not found) [in Foundation]
_pthread_body Address = 0x7fff6ee202eb (filename not found) [in libsystem_pthread.dylib]
_pthread_start Address = 0x7fff6ee23249 (filename not found) [in libsystem_pthread.dylib]
thread_start Address = 0x7fff6ee1f40d (filename not found) [in libsystem_pthread.dylib]
Assertion failed: [File:/Users/build/Build/++UE4/Sync/Engine/Source/Runtime/Engine/Private/ShaderCompiler/ShaderCompiler.cpp] [Line: 4523] Failed to compile global shader TSlateElementPSFontfalsetrueA . Enable 'r.ShaderDevelopmentMode' in ConsoleVariables.ini for retries.
FGenericPlatformMisc::RaiseException(unsigned int) Address = 0x106d252cb (filename not found) [in UE4Editor-Core.dylib]
FMacErrorOutputDevice::Serialize(wchar_t const*, ELogVerbosity::Type, FName const&) Address = 0x106e657ed (filename not found) [in UE4Editor-Core.dylib]
FOutputDevice::LogfImpl(wchar_t const*, ...) Address = 0x106f39019 (filename not found) [in UE4Editor-Core.dylib]
AssertFailedImplV(char const*, char const*, int, wchar_t const*, __va_list_tag*) Address = 0x106ecd9ad (filename not found) [in UE4Editor-Core.dylib]
FDebug::AssertFailed(char const*, char const*, int, wchar_t const*, ...) Address = 0x106ecdafb (filename not found) [in UE4Editor-Core.dylib]
ProcessCompiledJob(FShaderCompileJob*, FShaderPipelineType const*, TArray<EShaderPlatform, FDefaultAllocator>&, TArray<FShaderPipelineType const*, FDefaultAllocator>&) Address = 0x10926341c (filename not found) [in UE4Editor-Engine.dylib]
ProcessCompiledGlobalShaders(TArray<FShaderCommonCompileJob*, FDefaultAllocator> const&) Address = 0x10924e3f8 (filename not found) [in UE4Editor-Engine.dylib]
FShaderCompilingManager::ProcessCompiledShaderMaps(TMap<int, FShaderMapFinalizeResults, FDefaultSetAllocator, TDefaultMapHashableKeyFuncs<int, FShaderMapFinalizeResults, false> >&, float) Address = 0x10924ca8a (filename not found) [in UE4Editor-Engine.dylib]
FShaderCompilingManager::FinishCompilation(wchar_t const*, TArray<int, FDefaultAllocator> const&) Address = 0x109252a13 (filename not found) [in UE4Editor-Engine.dylib]
VerifyGlobalShaders(EShaderPlatform, bool) Address = 0x10925e226 (filename not found) [in UE4Editor-Engine.dylib]
CompileGlobalShaderMap(EShaderPlatform, bool) Address = 0x1092610a7 (filename not found) [in UE4Editor-Engine.dylib]
FEngineLoop::PreInit(wchar_t const*) Address = 0x106bde503 (filename not found) [in UE4Editor]
GuardedMain(wchar_t const*) Address = 0x106bf387f (filename not found) [in UE4Editor]
-[UE4AppDelegate runGameThread:] Address = 0x106bfdc8e (filename not found) [in UE4Editor]
-[FCocoaGameThread main] Address = 0x106e64801 (filename not found) [in UE4Editor-Core.dylib]
Unknown() Address = 0x7fff44a0a87e (filename not found) [in Foundation]
_pthread_body Address = 0x7fff6ee202eb (filename not found) [in libsystem_pthread.dylib]
_pthread_start Address = 0x7fff6ee23249 (filename not found) [in libsystem_pthread.dylib]
thread_start Address = 0x7fff6ee1f40d (filename not found) [in libsystem_pthread.dylib]