Seeing issue with xcode12 when running with older xcode like 11.7 or 11.6. Xcode12 wiping out the older simulators and when running xcodebuild,it throw no simulator found error.
watchOS 6.2 (6.2.1 - 17T531) - com.apple.CoreSimulator.SimRuntime.watchOS-6-2 (unavailable, failed to open liblaunchsim.dylib) ==> not available: Error Domain=com.apple.CoreSimulator.SimError Code=401 "The watchOS 6.2 simulator runtime is not available." UserInfo={NSLocalizedDescription=The watchOS 6.2 simulator runtime is not available., NSUnderlyingError=0x7fe6676e07a0 {Error Domain=NSPOSIXErrorDomain Code=53 "Software caused connection abort" UserInfo={NSLocalizedFailureReason=XPC error talking to SimLaunchHostService: <error: 0x7fff979c39a0> { count = 1, transaction: 0, voucher = 0x0, contents =
"XPCErrorDescription" => <string: 0x7fff979c3b08> { length = 18, contents = "Connection invalid" }
}}}, NSLocalizedRecoverySuggestion=Unable to open liblaunchsim.dylib. Try reinstalling Xcode or the simulator runtime., NSLocalizedFailureReason=failed to open liblaunchsim.dylib},
tvOS 13.4 (13.4 - 17L255) - com.apple.CoreSimulator.SimRuntime.tvOS-13-4 (unavailable, failed to open liblaunchsim.dylib) ==> not available: Error Domain=com.apple.CoreSimulator.SimError Code=401 "The tvOS 13.4 simulator runtime is not available." UserInfo={NSLocalizedDescription=The tvOS 13.4 simulator runtime is not available., NSUnderlyingError=0x7fe6a7704320 {Error Domain=NSPOSIXErrorDomain Code=53 "Software caused connection abort" UserInfo={NSLocalizedFailureReason=XPC error talking to SimLaunchHostService: <error: 0x7fff979c39a0> { count = 1, transaction: 0, voucher = 0x0, contents =
"XPCErrorDescription" => <string: 0x7fff979c3b08> { length = 18, contents = "Connection invalid" }
}}}, NSLocalizedRecoverySuggestion=Unable to open liblaunchsim.dylib. Try reinstalling Xcode or the simulator runtime., NSLocalizedFailureReason=failed to open liblaunchsim.dylib},
iOS 13.5 (13.5 - 17F61) - com.apple.CoreSimulator.SimRuntime.iOS-13-5 (unavailable, failed to open liblaunchsim.dylib) ==> not available: Error Domain=com.apple.CoreSimulator.SimError Code=401 "The iOS 13.5 simulator runtime is not available." UserInfo={NSLocalizedDescription=The iOS 13.5 simulator runtime is not available., NSUnderlyingError=0x7fe6a77076a0 {Error Domain=NSPOSIXErrorDomain Code=53 "Software caused connection abort" UserInfo={NSLocalizedFailureReason=XPC error talking to SimLaunchHostService: <error: 0x7fff979c39a0> { count = 1, transaction: 0, voucher = 0x0, contents =
"XPCErrorDescription" => <string: 0x7fff979c3b08> { length = 18, contents = "Connection invalid" }
}}}, NSLocalizedRecoverySuggestion=Unable to open liblaunchsim.dylib. Try reinstalling Xcode or the simulator runtime., NSLocalizedFailureReason=failed to open liblaunch_sim.dylib},
] when matching for <IBCocoaTouchPlatformToolDescription: 0x7fe667469930> System content for IBCocoaTouchFramework-ThirteenAndLater <IBScaleFactorDeviceTypeDescription: 0x7fe66745b410> scaleFactor=2x, idiom=<IBIPhoneIdiom: 0x7fe667486830> runtime=<IBCocoaTouchTargetRuntime: 0x7fe697635f10>
/* com.apple.actool.compilation-results */
watchOS 6.2 (6.2.1 - 17T531) - com.apple.CoreSimulator.SimRuntime.watchOS-6-2 (unavailable, failed to open liblaunchsim.dylib) ==> not available: Error Domain=com.apple.CoreSimulator.SimError Code=401 "The watchOS 6.2 simulator runtime is not available." UserInfo={NSLocalizedDescription=The watchOS 6.2 simulator runtime is not available., NSUnderlyingError=0x7fe6676e07a0 {Error Domain=NSPOSIXErrorDomain Code=53 "Software caused connection abort" UserInfo={NSLocalizedFailureReason=XPC error talking to SimLaunchHostService: <error: 0x7fff979c39a0> { count = 1, transaction: 0, voucher = 0x0, contents =
"XPCErrorDescription" => <string: 0x7fff979c3b08> { length = 18, contents = "Connection invalid" }
}}}, NSLocalizedRecoverySuggestion=Unable to open liblaunchsim.dylib. Try reinstalling Xcode or the simulator runtime., NSLocalizedFailureReason=failed to open liblaunchsim.dylib},
tvOS 13.4 (13.4 - 17L255) - com.apple.CoreSimulator.SimRuntime.tvOS-13-4 (unavailable, failed to open liblaunchsim.dylib) ==> not available: Error Domain=com.apple.CoreSimulator.SimError Code=401 "The tvOS 13.4 simulator runtime is not available." UserInfo={NSLocalizedDescription=The tvOS 13.4 simulator runtime is not available., NSUnderlyingError=0x7fe6a7704320 {Error Domain=NSPOSIXErrorDomain Code=53 "Software caused connection abort" UserInfo={NSLocalizedFailureReason=XPC error talking to SimLaunchHostService: <error: 0x7fff979c39a0> { count = 1, transaction: 0, voucher = 0x0, contents =
"XPCErrorDescription" => <string: 0x7fff979c3b08> { length = 18, contents = "Connection invalid" }
}}}, NSLocalizedRecoverySuggestion=Unable to open liblaunchsim.dylib. Try reinstalling Xcode or the simulator runtime., NSLocalizedFailureReason=failed to open liblaunchsim.dylib},
iOS 13.5 (13.5 - 17F61) - com.apple.CoreSimulator.SimRuntime.iOS-13-5 (unavailable, failed to open liblaunchsim.dylib) ==> not available: Error Domain=com.apple.CoreSimulator.SimError Code=401 "The iOS 13.5 simulator runtime is not available." UserInfo={NSLocalizedDescription=The iOS 13.5 simulator runtime is not available., NSUnderlyingError=0x7fe6a77076a0 {Error Domain=NSPOSIXErrorDomain Code=53 "Software caused connection abort" UserInfo={NSLocalizedFailureReason=XPC error talking to SimLaunchHostService: <error: 0x7fff979c39a0> { count = 1, transaction: 0, voucher = 0x0, contents =
"XPCErrorDescription" => <string: 0x7fff979c3b08> { length = 18, contents = "Connection invalid" }
}}}, NSLocalizedRecoverySuggestion=Unable to open liblaunchsim.dylib. Try reinstalling Xcode or the simulator runtime., NSLocalizedFailureReason=failed to open liblaunch_sim.dylib},
] when matching for <IBCocoaTouchPlatformToolDescription: 0x7fe667469930> System content for IBCocoaTouchFramework-ThirteenAndLater <IBScaleFactorDeviceTypeDescription: 0x7fe66745b410> scaleFactor=2x, idiom=<IBIPhoneIdiom: 0x7fe667486830> runtime=<IBCocoaTouchTargetRuntime: 0x7fe697635f10>
/* com.apple.actool.compilation-results */