Same behavior here. Even with 12.1 Beta (21C5045a) it is not fixed. I've noticed it in Lightroom Classic the first time and when you use finder to mark several files (tap on one file, press shift key, tap on 2nd file) it requires 3 taps to get the 2nd file (and files in between) marked.
Using MacBook Pro 14".
LRDude
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
From
München, Deutschland