You still won't be able enchant items at a higher enchantment level if there is a non-solid block in the way of the bookcase and the enchantment table.

If a sheep is eating grass then being pushed off into another area with no grass, it will still look like it's eating the grass.

Breaking a minecart while a mob is inside it causes the mob to sink into the ground

It takes several clicks to get inside a bed

Riding something then attempting to sleep in a bed causes a weird image of you being inside of the thing you're riding