This copy of libswiftCore.dylib requires an OS version prior to 12.2.0
Go to BuildSettings -> Linking -> runpath search path and add /usr/lib/swift as your 1st argument like this:
xcode10.2
Is it possible to install Xcode 10.2 on High Sierra (10.13.6)?
Yes it’s possible. Follow these steps: Download Xcode 10.2 via this link (you need to be signed in with your Apple Id): https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_10.2/Xcode_10.2.xip and install it Edit Xcode.app/Contents/Info.plist and change the Minimum System Version to 10.13.6 Do the same for Xcode.app/Contents/Developer/Applications/Simulator.app/Contents/Info.plist (might require a restart of Xcode and/or Mac OS to make it open the … Read more
UIWorkIntervalTiming workIntervalStart
I can observe the same issue with a UICollectionView and UITableView. I suspect it is a diagnostic output used to analyse the scrolling performance. Note: I notice this issue from Xcode 10.2 in UICollectionView if you swapping too much faster than collection getting Freeze for few moment on Simulator but Real Device working fine. Earlier … Read more
How to fix cocoapod .modulemap file not found
In case it helps anyone else, I was able to solve this issue a different way. I was accidentally opening up my .xcproject instead of my .xcworkspace. When I opened the correct file, the error went away.
Xcode 10.2 Failed to Run App on Simulator with iOS < 10
This is a known bug affecting iOS 8.x and 9.x. You can work around it by creating /usr/lib/swift directories in the relevant simulator runtime root. Downloaded simulator runtimes are located in /Library/Developer/CoreSimulator/Profiles/Runtimes. For example, to fix the iOS 9.3 simulator: sudo mkdir ‘/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 9.3.simruntime/Contents/Resources/RuntimeRoot/usr/lib/swift’
Xcode 10.2 Update issue Build system error -1: Unable to load contents of file list: input/output xcfilelist
I struggled with this for several hours today and this is what finally worked for me: sudo gem update cocoapods –pre pod update clean build From what I’ve read, this is an issue with the new build process that is enabled by default in Xcode 10.2 though I’ve not found the workaround clearly documented anywhere … Read more
How to fix “SWIFT_VERSION ‘3.0’ is unsupported, supported versions are: 4.0, 4.2, 5.0” error in Xcode 10.2?
Select the target ‘SimpleWeather’ in the project and change language version Target->build setting -> Swift compiler language -> select 5, 4.2 etc