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WASM 3.0 Completed
WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable compilation target for programming languages, enabling deployment on the web for client and server applications.
Three years ago, version 2.0 of the Wasm standard was (essentially) finished, which brought a number of new features, such as vector instructions, bulk memory operations, multiple return values, and simple reference types. Everything else, such as engineering suitable representations for source-language values, including implementation details like method tables, remains the responsibility of compilers targeting Wasm. Reference types can now describe the exact shape of the referenced heap value, avoiding additional runtime checks that would otherwise be needed to ensure safety.
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