Check it out! If you need four instances of your notebook filter to display, you now can! 😜
To repro:
Diagnostic Logs
Bump.
Bug still present in 8.2 beta 2
Hi Reuben,
Thanks for reporting this. We've got a case open for it.
Diagnostic Logging
Thanks Philana!
I've discovered that when this bug has manifested itself, every execution of the autosave creates an additional instance of the filter.
This is fixed in 8.3 Beta 3.