The world gen config allows you to choose mean radius and distance of caves; and how random the shape and spacing is.

But where is the option to choose how random the radius is? This would fix the issue of getting itty baby biomes then huge biomes elsewhere.

there is no option to choose how random the radius is. that is determined by the biome's spawn coditions, which can be found in the alexscaves_biome_generation. heres how it works:

• the alexscaves_biome_generation conditions must be reached
• once those conditions are reached, an AC biome will spawn if the random voroni generator (the options in your post) overlay with them

this can result in small biomes because the conjunction of the two conditions can be small.

To alleviate this, remove conditions such as continentalness from the biome_generation config jsons. note that this will result in some biomes spawning underwater or in other gross places, hence why these options exist in the firstplace.

huh, so continentalness is the needed block range to generate and the depth is the range at which they generate? I'm not sure on the specifics

https://www.youtube.com/watch?v=CSa5O6knuwI

watch full video. this is how Mojang generates biomes. most AC biomes use continentalness to make sure the biomes dont generate in oceans, beaches or other flat coastal areas, and layer their own "rarity blobs" (voroni generator) on top of that.

Ah I see, while I have you, do you plan on giving nuclear explosions a separate blacklist? I tag blocks as #minecraft:wither_immune and nuclear explosions still break them.