Xcode 8 hangs / unresponsive when opening storyboard

Question

I\'ve recently upgraded to Xcode 8 and updated my project to Swift 3. All worked fine for a little while. Storyboard loading has always been slow (even when still running Xcode

Answer 1

How I solve the storyboard hanging issue:

1. Back up the problematic storyboard file.
2. Delete it in the project.
3. Create a new storyboard with the same name and location as the deleted one.
4. Edit the 2 storyboards with text editor.
5. Copy the xml data after the tag from the old one to the new one.