Slow app launch time after updating to iOS 14 and Xcode 12

Question

I noticed that the launch time of my app has increased significantly (it takes a full minute now vs seconds before) since updating my device to iOS 14 and using Xcode 12. I

Answer 1

Simply update iOS and/or Xcode and it will solve your problem. Rest of the solutions given above are just workarounds and may not always work. For me none of the above solution worked. I just update iOS and it solved the issue.