Sorry. I don't have answer as well. But, I have the same machine as you and seeing the same thing. I have Satechi wireless keyboard. I have same thing happen. Where it just completely freezes/stalls. But, if when plugged with cable. I don't see the issue. I guess I'll try submitting a report.
Shadowy
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