I updated my xcode and macOS to support my app for iOS 15 and after the update my projects which i developed in xcode 12 is not opening anymore, it keeps crashing. When i try open in xcode 13 the project crashing immediately after some basic loading. I tried the following but nothing worked Deleting derived data Deleting xcuserdata inside the xcworkspace content Restarting mac multiple times Attaching crash logs here Path: /Applications/Xcode.app/Contents/MacOS/Xcode Identifier: com.apple.dt.Xcode Version: 13.0 (19234) Build Info: IDEFrameworks-19234000000000000~16 (13A233) App Item ID: 497799835 App External ID: 844005016 Code Type: X86-64 (Native) Parent Process: ??? [1] Responsible: Xcode [1178] User ID: 501 Date/Time: 2021-09-30 22:01:12.603 +0530 OS Version: macOS 11.6 (20G165) Report Version: 12 Bridge OS Version: 5.5 (18P4759a) Anonymous UUID: 69C16710-F611-9893-DF32-6C423ED21B1D Time Awake Since Boot: 4200 seconds System Integrity Protection: enabled Crashed Thread: 18 Dispatch queue: <IDEXCBuildSupport.IDEXCBuildServiceBuildOperation:0x7fe1b1058480:REfc>-builder-queue (QOS: UNSPECIFIED) Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Exception Note: EXC_CORPSE_NOTIFY Application Specific Information: Possibly stale failure hints from 2021-09-30 16:56:00 +0000: 0: Calling block provided to DVTSyncPerformBlock() here: 0 DVTSyncPerformBlock (in DVTFoundation) 1 closure #1 in IDEXCBuildServiceBuildOperation.addOperations(to:) (in XCBuildSupport) 2 thunk for @escaping @callee_guaranteed () -> () (in XCBuildSupport) 3 __NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ (in Foundation) 4 -[NSBlockOperation main] (in Foundation) 5 __NSOPERATION_IS_INVOKING_MAIN__ (in Foundation) 6 -[NSOperation start] (in Foundation) 7 __NSOPERATIONQUEUE_IS_STARTING_AN_OPERATION__ (in Foundation) 8 __NSOQSchedule_f (in Foundation) 9 _dispatch_block_async_invoke2 (in libdispatch.dylib) 10 _dispatch_client_callout (in libdispatch.dylib) 11 _dispatch_continuation_pop (in libdispatch.dylib) 12 _dispatch_async_redirect_invoke (in libdispatch.dylib) 13 _dispatch_root_queue_drain (in libdispatch.dylib) 14 _dispatch_worker_thread2 (in libdispatch.dylib) 15 _pthread_wqthread (in libsystem_pthread.dylib) 16 start_wqthread (in libsystem_pthread.dylib) ProductBuildVersion: 13A233 UNCAUGHT EXCEPTION (NSInvalidArgumentException): -[__NSCFBoolean mutableCopyWithZone:]: unrecognized selector sent to instance 0x7fff8073c230 UserInfo: (null) Open FDs: 57/9472 Hints: 0: Calling block provided to DVTSyncPerformBlock() here: 0 DVTSyncPerformBlock (in DVTFoundation) 1 closure #1 in IDEXCBuildServiceBuildOperation.addOperations(to:) (in XCBuildSupport) 2 thunk for @escaping @callee_guaranteed () -> () (in XCBuildSupport) 3 __NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ (in Foundation) 4 -[NSBlockOperation main] (in Foundation) 5 __NSOPERATION_IS_INVOKING_MAIN__ (in Foundation) 6 -[NSOperation start] (in Foundation) 7 __NSOPERATIONQUEUE_IS_STARTING_AN_OPERATION__ (in Foundation) 8 __NSOQSchedule_f (in Foundation) 9 _dispatch_block_async_invoke2 (in libdispatch.dylib) 10 _dispatch_client_callout (in libdispatch.dylib) 11 _dispatch_continuation_pop (in libdispatch.dylib) 12 _dispatch_async_redirect_invoke (in libdispatch.dylib) 13 _dispatch_root_queue_drain (in libdispatch.dylib) 14 _dispatch_worker_thread2 (in libdispatch.dylib) 15 _pthread_wqthread (in libsystem_pthread.dylib) 16 start_wqthread (in libsystem_pthread.dylib) Backtrace: 0 __exceptionPreprocess (in CoreFoundation) 1 DVTFailureHintExceptionPreprocessor (in DVTFoundation) 2 objc_exception_throw (in libobjc.A.dylib) 3 -[NSObject(NSObject) __retain_OA] (in CoreFoundation) 4 ___forwarding___ (in CoreFoundation) 5 _CF_forwarding_prep_0 (in CoreFoundation) 6 -[Xcode3AppTransportSecurityItemModel readValuesFromPlist] (in Xcode3Core) 7 -[Xcode3AppTransportSecurityItemModel initWithCapabilitiesContext:item:] (in Xcode3Core) 8 -[Xcode3TargetCapabilitiesContext capabilityItemModels] (in DevToolsCore) 9 -[Xcode3TargetCapabilitiesContext _appIDFeatureStateForEntitlements:expansion:] (in DevToolsCore) 10 -[Xcode3Target appIDFeaturesForBuildParameters:entitlements:withEntitlementsExpansion:] (in DevToolsCore) 11 -[Xcode3Target appIDFeaturesForBuildParameters:] (in DevToolsCore) 12 PBXNativeTarget.provisioningSourceData(for:) (in XCBuildSupport) 13 PBXNativeTarget.pifRepresentation(_:) (in XCBuildSupport) 14 @objc IDEWorkspace.pifRepresentation(_:) (in XCBuildSupport) 15 PBXTarget.pifInfo(for:) (in XCBuildSupport) 16 @objc IDEWorkspace.pifInfo(for:) (in XCBuildSupport) 17 specialized IDEPIFWorkspaceSerializer.objectSignature(_:) (in XCBuildSupport) 18 @objc IDEPIFWorkspaceSerializer.objectSignature(_:) (in XCBuildSupport) 19 PBXProject.pifRepresentation(_:) (in XCBuildSupport) 20 @objc IDEWorkspace.pifRepresentation(_:) (in XCBuildSupport) 21 closure #1 in IDEWorkspace.pifInfo(for:) (in XCBuildSupport) 22 partial apply for closure #1 in IDEWorkspace.pifInfo(for:) (in XCBuildSupport) 23 thunk for @escaping @callee_guaranteed (@guaranteed IDEPIFSerializer) -> (@owned [String : Any]) (in XCBuildSupport) 24 specialized IDEPIFWorkspaceSerializer.objectData(_:) (in XCBuildSupport) 25 closure #1 in IDEWorkspace.pifObjectsIncrementally(_:) (in XCBuildSupport) 26 closure #1 in closure #2 in IDEXCBuildServiceSession.sendPIF(completion:) (in XCBuildSupport) 27 partial apply for closure #1 in closure #2 in IDEXCBuildServiceSession.sendPIF(completion:) (in XCBuildSupport) 28