And reguarding 1)
Loading a pre block-state map requires us to do more then just iterating through the map and switching block/meta to blockstate.
Large plants for example are now stored differently and to convert the top block you need the lower block. Previously the top block only knew it was the top block
Loading a pre block-state map requires us to do more then just iterating through the map and switching block/meta to blockstate.
Large plants for example are now stored differently and to convert the top block you need the lower block. Previously the top block only knew it was the top block