not entirely sure but modifying worldgen seems way more difficult than it was in 1.12.2
#World gen with no water
thorny quail
you could potentially make a datapack but from what ive read you'd basically have to fork the entirety of the vanilla one and just remove all of the water generation from it so i dunno if that'd be a good option
cunning linden
you could potentially make a datapack but from what ive read you'd basically hav...
I have literally no idea how to do such a thing. Making videos already takes such a long time so I'm really hesitent to start learning something as big as modding...
calm otter
I'm almost certain this can be accomplished with datapacks in Vanilla