From Minecraft Parkour Wiki
- Wall blocks have a more accurate collision box.
- The sides now match those of their visual model.
- The height remains at 1.5b.
- filled End Portal Frames have a more accurate collision box.
- The eye now has a width of 0.5×0.5 (instead of 0.375×0.375)
- Cauldrons have a more accurate collision box.
- The inner floor is now 0.25b high (instead of 0.3125)
- Hoppers have a more accurate collision box.
- The inner floor is now 0.6875b high (instead of 0.625)
- The underside of the hopper is now accurately represented;
- Brewing Stand have a more accurate collision box.
- The base is now 0.875×0.875 (instead of 1×1)