WASM 3.0 Completed
Published on September 17, 2025 by Andreas Rossberg. 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. In the meantime, the Wasm W3C Community Group and Working Group have not been lazy. Today, we are happy to announce the release of Wasm 3.0 as the new “live” standard. This is a substantially larger update: several big fe