Fabric Chunk Pregenerator is a fabric mod that allows you to pregenerate chunks for your server or for singleplayer while running fabric. Requires Fabric API!
/pregen start <radius> - Pregenerates in a square that is <radius> chunks long and wide. Only one pregeneration can run at a time.
/pregen stop - Stops pregeneration and displays the amount completed.
/pregen status - Displays the amount of chunks pregenerated.
/pregen help - Displays a help message.