Version: 8.1.33
FYI, I have found an annoying bug that I haven't seen posted anywhere. Not sure if this has been resolved in newer versions yet either.
Expectation:
Only revert change without deleting scripts.
Behavior:
When you revert a change, all project library scripts are deleted.
Yes, the bug was with the project browser overall and its treatment of the 'revert changes' action. As Alec mentioned, the core issue is fixed in 8.1.35; there was a minor edge case that just recently got fixed, but it's not nearly as severe.