Soul sand above ice, packed ice, or slime blocks has no extra slow down effect anymore.
Soul Sand is no longer twice as slow with ice under it
Ice, Packed Ice, and Slime blocks no longer increase the slowness that is applied from Soul Sand
Packed Ice not affecting Soul Sand
Walking on blocks less than 1 block tall placed on ice, slime blocks or honey blocks acts like walking on ice, slime block or honey blocks directly
Berry bushes no longer slow down the player
Walking on soul sand that is over the two types of ice doesn't slow down