Edit: I’m deleting my reply post.
I just updated Plex on my Firestick and it’s also extremely slow to browse now, so there’s definitely some sort of reproducible issue that the devs probably don’t need individual logs for.
Plex Client: 9.2.0.32520
Device: Amazon Fire Stick 4K Max
FWIW, I don’t have this issue on my Shield running version 9.2.1.32664.
The fix in the changelog for 9.2.2 that says “fix potential crash when navigating through screens” seems like it could be related.
The Amazon app store is always several versions behind, so if you’re motivated you can manually sideload a newer version and see if it’s fixed:
