still happening in Version 12.0 (12A7209)
bshirley
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Last seen
User for
Post
Replies
Boosts
Views
Activity
Mine was happening for Xcode 12 and Xcode 11.7.
Seems OneDrive was interacting with the files. I paused syncing and the problem went away.
Thanks, Microsoft.
Double click the Hardware/Network Link Conditioner.prefPane to install it in System Preferences.
It effects the network of the whole machine, not just the Simulator.