1) Place a lava cauldron
2) Spawn a baby strider inside of it
3) Strider is not getting warmed from it.
Striders dont get warm by lava cauldrons
Baby striders have the "cold" behaviour whilst inside of a cauldron containing lava.
Striders, blaze and snow golems inside of cauldrons are not affected by lava or water
Endermen, baby strider, blazes and snowmen don't take damage when standing inside a filled cauldron
fish bouncing and suffocating on top of the cauldron which fill with water
Riptide trident doesn't work while standing in a filled cauldron
Players do not freeze inside powder snow cauldrons