>>56865640In short, Forge was led by a giant douchebag that no one likes and was also extremely glacial with updates, which meant Forge was often lagging behind in terms of version upkeep.
So at some point, someone got fed up with dealing with that douchebag, and decided to make their own modloader, Fabric, which the intent of being the go-to modloader for those newer versions.
Then Forge started catching up again, so now we have two primary niggas, with Forge poised to be replaced by NeoForge in due time, because even the niggas running Forge got sick and tired of the main guy and fucked off, leaving Forge without its team.