Running Software (issues missing this information will be deleted):

• Addon version: 8.3.6

Have you read the changelog? (please don't waste our time)
yes

Describe the bug
Some icons appear larger than others

Screenshots

I've not replicated this one so far. Can you do so with just OmniCC + the standard UI?

So it looks like the issue is coming from "Blizzard Raid Frames - Bigger Buffs"