Overworld height and depth for new and existing worlds has been extended to y320 and y-64, opening up more space to explore and build in Caves & Cliffs - Free fall from the top of the world (build ...

Want to know everything that's coming in the Minecraft 1.18 update? The Caves and Cliffs update has been split into two halves: the first part has already been released with the Minecraft 1.17 update.