| Metric | Old Eaglercraft (Custom GC) | Eaglercraft 1.12 with WASM GC | |--------|----------------------------|--------------------------------| | Initial download size | 45 MB (compressed) | 28 MB (compressed) | | RAM usage | ~1.2 GB (leaks over time) | ~600 MB stable | | Garbage collection pauses | 80–150 ms (every 5–10s) | 2–5 ms (incremental) | | Average FPS (Vanilla 1.12) | 30–45 FPS | 55–70 FPS | | Mod compatibility | None or extremely limited | Basic Forge mods possible |
WASM GC works seamlessly with JavaScript Promises and Web Workers. Eaglercraft 1.12 can now offload chunk loading, world generation, and lighting calculations to separate workers, while the main GC runs concurrently. No more stutters when the garbage collector kicks in.
) that brings the "World of Color" update to the web. Unlike earlier versions like 1.5.2 or 1.8.8, which were developed by lax1dude, this 1.12.2 version introduces: New Content : Glazed terracotta, concrete, parrots, and illusioners. System Overhauls : The replacement of achievements with the Advancements system and the introduction of for command collections. Dual-Engine Support
The jump to version 1.12 is significant. While the original Eaglercraft (based on 1.5.2) was nostalgic, it lacked years of Minecraft updates. Version 1.12 is widely considered the "Golden Age" of modded Minecraft and classic survival. It includes: eaglercraft 1.12 wasm gc
Eaglercraft 1.12 with WASM-GC isn't just a technical demo—it's a fully playable, high-performance experience that brings the "World of Color" to your browser. If you’ve found 1.12 too slow in the past, now is the time to give the WASM build a try.
A: No. Eaglercraft can only connect to "cracked" servers that do not require Mojang authentication, or to specially configured Eaglercraft proxies.
Unlike early browser ports that required permanent server connections, 1.12 clients feature integrated singleplayer support using local browser IndexedDB storage. This allows users to create, save, and export world files directly from their browser cache. WebSocket Multiplayer Architecture | Metric | Old Eaglercraft (Custom GC) | Eaglercraft 1
: Generally offer the best support, though some experimental versions may require enabling flags like chrome://flags or using specific origin trial tokens .
First, a quick refresher. Eaglercraft is a remarkable browser-based port of Minecraft Java Edition. Unlike official web solutions (like Minecraft Classic or restrictive mobile ports), Eaglercraft runs the actual Java game logic client-side, using WebAssembly as a compilation target. The original versions (Eaglercraft 1.5.2 and 1.8.8) proved the concept: you could join servers, build, and even use some basic plugins, all inside a Chrome or Firefox tab.
Concrete, glazed terracotta, and colored beds. ) that brings the "World of Color" update to the web
The original Eaglercraft project began as a browser-based port of Minecraft 1.5.2. It worked by taking Mojang’s official launcher assets and compiling the Java source code directly into JavaScript using a tool called TeaVM.
Minecraft is written in Java. Browsers don’t speak Java. Historically, projects like Eaglercraft had to take the Java source code and "transpile" it into JavaScript (specifically, the TeaVM compiler was often used). While clever, this created a performance bottleneck. JavaScript is a managed language with a Garbage Collector (GC) that pauses execution to clean up memory. Java also has a Garbage Collector. When you run Java logic inside a JavaScript engine, the two memory managers often fight, leading to lag spikes, stuttering frame rates, and "jank" that plagues complex browser games.