The bug
A mob that normally takes burning damage from the sun that is also in powder snow appears to repeatedly catch on fire, then extinguish due to the powder snow, This results in the "fire extinguishes" sound effect being played repeatedly.
A mob that normally takes burning damage from the sun that is also in powder snow appears to repeatedly catch on fire, then extinguish due to the powder snow, This results in the "fire extinguishes" sound effect being played repeatedly.
Can confirm that this is an issue in 20w51a. This report very closely relates to MC-207397.