If you really want modded 1.12.2 gameplay in a browser, try WebMC (a different project that runs actual Java Minecraft in browser via J2CL) — but it’s much slower and experimental.
| What you want | Works in Eaglercraft 1.12.2? | Best approach | |---|---|---| | Forge/Fabric mods | ❌ No | Not possible | | New items/blocks | ⚠️ Limited | Server plugin + client resource pack | | Custom commands | ✅ Yes | Server-side JS plugin | | Minimap / HUD | ⚠️ Possible | Client-side JS injection | | Shaders / OptiFine | ❌ No | Not possible (WebGL limits) | | Resource packs | ✅ Full support | Just upload .zip | mods for eaglercraft 1.12 2