top of page

Eaglercraft 112 Wasm Gc < Must Watch >

WASM GC (WebAssembly Garbage Collection) is a new WebAssembly feature that adds native support for managed languages (like Java, C#, Kotlin, Go). Traditionally, to run Java in WASM, you had to compile the entire Java runtime (e.g., TeaVM, CheerpJ, or J2CL) or use a JavaScript GC for object management — slow and memory-heavy.

With WASM GC:

  • Port core "world" module; integrate with existing Eaglercraft JS rendering.
  • Run benchmarks and profile with DevTools; collect metrics.
  • Iterate: optimize pooling or data layout; measure GC behavior.
  • Implement fallback non-GC build and runtime feature detection.
  • Publish results: performance numbers, compatibility matrix, implementation notes.

    • Yes. If you are a player on Chrome or a modern Firefox, the upgrade to Eaglercraft 1.12 WASM GC is a no-brainer. It is the same game, same servers, same controls—but with a framerate that finally rivals a low-end PC running actual Minecraft Java Edition. eaglercraft 112 wasm gc

    The garbage collector was always the hidden enemy of browser gaming. With WASM GC, that enemy has been tamed.

    Final rating: 9.5/10
    (Only losing half a point for the Safari lag and the experimental modding support.) WASM GC (WebAssembly Garbage Collection) is a new

    Benchmarks from community testing (Eaglercraft 1.12 pre-release vs 1.8 JS version):

    | Metric | JS (TeaVM) | WASM (no GC) | WASM + GC | |--------|------------|--------------|-------------| | World load time | 12.3s | 7.8s | 6.1s | | Chunk render (avg ms) | 24 ms | 18 ms | 11 ms | | GC pause (99th percentile) | 120 ms | N/A (manual) | 8 ms | | Memory (heap) | 380 MB | 320 MB | 290 MB | Port core "world" module

    Why?

    So what does "Eaglercraft 1.12 WASM GC" actually ship?

    | Feature | Original Eaglercraft (JS) | Eaglercraft 1.12 WASM GC | | :--- | :--- | :--- | | Target VM | JavaScript (JIT) | WebAssembly + Native GC | | Memory Model | JS objects (GC churn) | WASM structs (optimized) | | Garbage Collection | Browser JS GC (stop-the-world) | Integrated WASM GC (concurrent) | | Chunk Loading | 5-10ms per chunk | 1-2ms per chunk | | Entity Limit | ~30 mobs before lag | ~80+ mobs stable | | File Size | ~25 MB (JS + assets) | ~22 MB (WASM + assets) | | Browser Support | Any modern browser | Chrome 119+, Edge 119+, Firefox 120+ |

    The "1.12" refers to Minecraft 1.12.2 – the "World of Color" update. Why 1.12? Because it was the last version before the flattening (1.13) which dramatically increased block ID complexity. 1.12 strikes the perfect balance: modern features (shulker boxes, observers, parrots) without the performance hell of aquatic updates.

    bottom of page