The easiest way to install Baritone is to install it as Forge/Neoforge/Fabric mod, but if you know how you can also use with a custom version.json (Examples: 1.14.4, 1.15.2, 1.16.5). Once Baritone is ...
Baritone is the pathfinding system used in Impact since 4.4. There's a showcase video made by @Adovin#0730 on Baritone which I recommend. Here's a (very old!) video I made showing off what it can do.