1. Diagonal cut half blocks, great if you can place things on the diagonal surface like vines, work like stairs. 2.Stand alone ladders 3. multiblock gates/doors for customized entrances 4. better villager mod. (create a simulated living village rather than mobs that randomly go no where and do nothing) a.the ability to assign villagers to locations/building/jobs/routes/moods(passive,aggressive) b. wider variety of villager types (soldiers, priests, beggars, traders, shopkeepers, farmer etc.) c. fence/borders/barriers that villagers can't cross could be invisible or could place them underground or in walls with covers over them.