Having more than 1 pool in a block generation options, similarly to loot table pools. With this, you could make blocks generate at different rarities in different levels or biomes. (For example, ancient debris in Minecraft 1.16 generates more commonly below y-level 22 or gold ore generates more commonly in the Badlands biome.)
MCreator issue tracker has been migrated to GitHub.
Existing tickets have been migrated to GitHub. Please open new tickets on the GitHub tracker instead. If you do not have a GitHub account, all feature requests and bug reports from forums are still considered and checked by the maintainers.