The scene is moving away from simple JS injections. The current trend (as of this article's update) is "TeaVM Gen 3."
Developers are now successfully compiling real Forge mods like Quark and Iron Chests into Eaglercraft. Within the next six months, expect to see: mods for eaglercraft 112 2 updated
If you are a modder looking to update an old mod to 1.12.2, you need to use TeaVM 0.10.0 and target wasm-js. Do not use versions older than 0.9.0. The scene is moving away from simple JS injections
If you are an admin:
If you want to play "Mods for Eaglercraft 1.12.2," stop looking for .jar files. Instead, look for Clients. If you are a modder looking to update an old mod to 1
Note: Always ensure your browser is updated to the latest version of Chrome, Edge, or Firefox for the best performance, as Eaglercraft relies on modern WebGL features.