Confirmed in 1.12
Also, of note, this only occurs when facing directly up the stairs.
If you turn your horse 90 degrees to the left or right and walk sideways up the stairs, then the issue no longer occurs. Unfortunately the horse is much slower like this.
Confirmed in 1.12
Also, of note, this only occurs when facing directly up the stairs.
If you turn your horse 90 degrees to the left or right and walk sideways up the stairs, then the issue no longer occurs. Unfortunately the horse is much slower like this.