I\'ve just updated to Xcode 9.4.1 and experienced an issue with the clipboard being cleared randomly.
So I select a text, hit CMD+C, then go to the posi
CMD+C
The accepted answer doesn't work for me. See my comment there. The problem is with the Handoff.
I had the Handoff option enabled in OS X Settings > General.
After unchecking that option, I have the clipboard synced and no simulator freezes.