Once a player enters a cauldron filled with lava, they appear to be on fire for themselves while it doesn't appear that way for anyone else.
MC-203921
Fire animation doesn't appear on Multiplayer if a player is within a Lava Cauldron
Resolved
Awaiting Response
1
I was unable to reproduce this issue in 20w51a. The burning animation showed for everyone when a player was burning in a cauldron filled with lava. I've attached a screenshot.