Yes, it is still a problem in 1.15.2
It is definately a problem in 1.15.1
I will have to double check, but I believe it is still a problem in 1.15.2
When next to a water source, their hitbox can collide and they take damage upon waking.
They can also appear to "share" a bed when they are actually assigned to one nearby
[media]
True for me too - very annoying when trying to use them as decoration blocks but keep losing the name.