{
  "@context": "https://schema.org",
  "@type": "TechArticle",
  "@id": "https://anchorfact.org/kb/kb-2026-00017",
  "headline": "WebAssembly (Wasm) 3.0",
  "description": "WebAssembly (Wasm) is a portable binary instruction format for stack-based virtual machines, designed as a compilation target for programming languages. Wasm 3.0, completed on September 17, 2025 (announced by Andreas Rossberg of the W3C WebAssembly Community Group), represents the culmination of 6-8 years of specification work, adding 10 major features including 64-bit addressing, garbage collection, exception handling, tail calls, and multiple memories. It is now available in all major browsers and standalone engines like Wasmtime.",
  "dateCreated": "2026-05-22T14:59:47.690Z",
  "dateModified": "2026-05-22T14:59:47.690Z",
  "author": {
    "@type": "Organization",
    "name": "AnchorFact"
  },
  "publisher": {
    "@type": "Organization",
    "name": "AnchorFact",
    "url": "https://anchorfact.org"
  },
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "anchorfact:confidence": "high",
  "anchorfact:generationMethod": "human_only",
  "citation": []
}