Terralith

Terralith ~ Overworld Evolved is a project made to completely revolutionize the Overworld's generation. Released July 28th of 2021, Terralith makes a full use of the new WorldGen tools of this version to create beautiful landscapes with new terrain types and more than 70 new biomes, inspired by places all around the world or by fantastical fauna, while also enhancing existing biomes and adding new variants to them. The new caves were also enhanced with new cave shapes and about 10 new cave types. was the second project of Stardust Labs and took an entire year for it's creator, Starmute, to understand and operate the new WorldGen tools that were available for Datapacks in. The version is still available as Terralith Legacy, and the newest version of Terralith, which can also be called Terralith 2.0, made use of the additionnal WorldGen options of  to add new terrain types and rework the caves. All the biomes deemed too dark were scrapped from that version to instead allow more marvelous biomes. Since then, thanks to the more documented updates of the WorldGen tools, snapshots, and experience, all updates for are planned to release on the same day as a new major update of Minecraft.