Still present on 1.20.1; however, I do not think it is solely a door problem but air block underneath.
I was able to reproduce a frog jumping into the block below a door by making a 2 by 1 area surrounded by doors - frog suffocates.
Elefx
Still present on 1.20.1; however, I do not think it is solely a door problem but air block underneath.
I was able to reproduce a frog jumping into the block below a door by making a 2 by 1 area surrounded by doors - frog suffocates.