Stage 1 of porting a mod to a new version is to get the thing compiling. Once this is done you can move on to getting the game to launch, managing to create a world, and then a wealth of tests to ensure all the features work.
NeoForge
A branch of Forge that may soon replace it.
Updating to NeoForge 1.21.1
It’s been a long time coming, but I’ve finally gotten around to it. Bok’s Banging Butterflies now supports NeoForge 1.21.1. This means you can add butterflies to a Minecraft world that has almost all of the latest features in Minecraft. It wasn’t easy.
Upgrading Butterflies to NeoForge
Changes are on the horizon for the Minecraft Modding community. While I don’t fully understand all the drama, Forge may be on its way out, making NeoForge the new way of making mods. In order to prepare for this new world, I’ve decided to create a 1.20.