BleachHack for older versions (for some reason)
To install, first install Fabric Legacy then download a built BH version from the actions section and add it to your mods folder.
The steps to setup your workspace is the same as normal Fabric.
https://fabricmc.net/wiki/tutorial:setup
If you are distributing a custom version of BleachHack or a mod with ported features of BleachHack, you are required to disclose the source code, state changes, use a compatible license, and follow the license terms.