Add:
Elytra
villager
working anvil and lodestone
Nether
End dimension
iron golems
custom skins
working redstone
mob spawn egg because sometimes the server dont spawn mobs
make better teture such as the glass or the leaves
offhand
make that we can copy our world(mainly for sharing my world on my yt channel)
voice chat that we can adjust when we create a private world
make some texture pack or mods that we can put when we create a world
these ideas are all the ideas you guys made and my ideas too for my youtube channel @theleafgodyt posting vid soon pls sub