Minecraft's world is made up of chunks, which are 16 x 16 blocks large on the X and Z axis, and 384 blocks on the Y axis. When you first load into a world, a set number of chunks load around you, ...

You can view an in-game guide on how to claim and load chunks by opening your inventory and clicking on the blue tinted map icon. With the chunk map open a blue i icon will be shown in the upper left ...

Block Entity ticking is now executed chunk-wise rather than dimension wise. Chunks time their tick duration only if necessary. Chunks are forceloaded only if they contain at least one chunk loader. If ...