True, This Bug Happened To Many Player, Any Rideable/Mountable Mob Won't Take Fall Damage, And Some Mob Can't Be Attacked
It's True, When Riding A Horse, You Can Automatically Block Any Frontal Attack, But The Screen Will Block The Gameplay. But In Beta 1.17.10.20, This Bug Has Been Fixed.
True, This Bug Happened To Many Player, Any Rideable/Mountable Mob Won't Take Fall Damage, And Some Mob Can't Be Attacked