Collision bug when player is moving up a slope adjacent to a 3-high wall

• Have a slope (stairs, half slabs, snow, etc.) that is directly adjacent to a wall of solid blocks at least 3 high.

• Push yourself against the wall while also trying to move up the slope.

• The highlighted red blocks (see attached screenshots) will prevent you from moving up the slope. You must step away from the wall slightly in order to move freely up the slope.

• Delete the highlighted blocks and you can move freely up the slope even when pushed against the wall.