Disabled the thread sanitizer and back to normal. Cheers!
thexiejiang
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
Same issue here. I think the Mac OS 10.15.2 is the problem cause it only started to occur after the upgrade.