Here’s a content outline and draft copy you can use for Eaglercraft 1.12 + WASM GC (new) — suitable for a YouTube video description, GitHub README, Discord announcement, or blog post.

Hybrid approach:

directly rather than relying on the higher-overhead browser interpretation of JavaScript. Native-like Memory Management Wasm GC proposal

In the old model, every time Java created an object (a block, an entity, a chunk renderer), the JavaScript engine had to pause the game to clean up memory. These "GC Pauses" caused freezing, rubber-banding, and crashes.