Ah, I searched bugs relating to mud and dispensers, so I didn't see that. Thank you.
I expect it to behave like a regular compass in the nether or end, with the same animation.
Can be used as fuel: signs, stairs, doors, planks, slabs, buttons, trapped doors, and pressure plates
Cannot be used as fuel: fence, fence gate, stem, and stripped stem.
Ah, I searched bugs relating to mud and dispensers, so I didn't see that. Thank you.