To understand why this version is a breakthrough, it helps to break down the acronyms and components powering the project:
| Metric | Eaglercraft (old JS heap) | Eaglercraft 1.12 (WASM GC) | |--------|---------------------------|-----------------------------| | GC pauses (avg) | 45–80 ms (every ~2 sec) | <5 ms (rare, ~every 15 sec) | | Chunk load stutter | Yes (15–30 ms freeze) | None (async & smooth) | | Memory after 1 hour | 1.2–1.8 GB | 450–600 MB | | Tab crash likelihood | Medium–High | Very Low | eaglercraft 112 wasm gc
For developers working with wasm_gc , optimizing performance goes beyond simply enabling the feature. The complexity of Minecraft means that even with automatic garbage collection, improper object lifecycle management can lead to high memory usage and performance drops. To understand why this version is a breakthrough,
It represents the moment when the most popular Java game of all time finally shed its runtime dependencies. No more Java Runtime Environment. No more OpenGL drivers. Just a URL, a modern browser, and a garbage collector that finally understands what Minecraft needs. No more Java Runtime Environment
| Metric | Eaglercraft JS | Eaglercraft WASM GC | | :--- | :--- | :--- | | Average FPS | 52 | 78 | | 0.1% Low FPS (stutters) | 18 | 47 | | GC Pause (avg) | 22 ms | 6 ms | | Memory after 5 min | 620 MB | 410 MB |