Describe the bug

After killing a boss in a raid / dungeon, FPS drops by -20-30 and lasts for a while, and then normalizes, and this does not happen on all characters. (sorry google translate).
https://www.curseforge.com/wow/addons/saved_instances?comment=1807
Do you have an error log of what happened?

To Reproduce

Screenshots

Did you try having SavedInstances as the only enabled addon and everything else (especially something like ElvUI) disabled?
Yes
Which version of SavedInstances are you using?
9.0.2
Was it working in a previous version? If yes, which was the last good one?
I had a problem after the release of the pre-patch
Additional context