Eaglercraft 1.12 Wasm Gc - [upd]

This was Eaglercraft.

Eaglercraft had already pulled off the impossible: a full Java-to-JavaScript recompilation of the Minecraft client using TeaVM, plus a custom WebSocket-based multiplayer protocol. It ran in any modern browser, no installation needed. But version 1.12 was a beast — over 8 million lines of Minecraft code, plus the labyrinthine complexity of the 1.12.2 engine. Performance stuttered. Garbage collection froze the screen mid-PvP. eaglercraft 1.12 wasm gc

After weeks of patching, a breakthrough: the first stable 1.12.2 survival world running entirely in Wasm GC mode. Chunk loading was snappy. Entity AI computed faster. And the memory footprint? Down 30% — because Wasm GC structs are far more compact than JS objects. This was Eaglercraft

That night, the code was pushed to a public branch. Within days, players were running modded 1.12 worlds on school Chromebooks, fighting the Ender Dragon with zero lag spikes. But version 1

Here’s an informative story about and its experimental Wasm GC backend. In a dimly lit server room, a developer named Alex stared at a browser tab. Running Minecraft 1.12.2 — complete with Forge mods, redstone contraptions, and shaders — inside a vanilla browser. No plugins. No native code. Just JavaScript and WebAssembly.