Many of these "releases" are met with skepticism. There are warnings that some 1.21.1 versions are April Fools' pranks
Below is a comprehensive guide to understanding, setting up, and optimizing Eaglercraft 1.21.1. What is Eaglercraft 1.21.1? eaglercraft 121 1
+-------------------------------------------------------+ | Minecraft Java Source | +-------------------------------------------------------+ | v +-------------------------------------------------------+ | TeaVM (AOT Bytecode Translation) | +-------------------------------------------------------+ | v +-------------------------------------------------------+ | JavaScript Client | WebAssembly Client (WASM) | +-------------------------------------------------------+ | v +-------------------------------------------------------+ | LAX1DUDE Custom OpenGL Emulator | +-------------------------------------------------------+ | v +-------------------------------------------------------+ | Web Browser Canvas (WebGL API) | +-------------------------------------------------------+ The TeaVM Compilation Layer Many of these "releases" are met with skepticism