We got Wasm 3.0 before GTA 6: Meet the web’s new engine

WebAssembly 3.0 represents a significant leap in web development, introducing a built-in garbage collector that enhances its usability for managed languages like Java, C#, and Python, which rely on automatic memory management. Previously, these languages faced limitations with Wasm, as they had to include their own garbage collectors, leading to larger module sizes and reduced performance. The new GC provides low-level, language-agnostic building blocks that enable the Wasm engine to handle memory allocation and cleanup efficiently. Alongside GC, Wasm 3.0 introduces native exception handling and a 64-bit address space, allowing for faster error management and expanding memory capabilities for high-performance applications. These advancements position WebAssembly as a versatile and mainstream platform, paving the way for a decade-long transformation in web application development.