WebAssembly Specification# Release 2.0 (Draft 2023-09-10) Editor: Andreas Rossberg Latest Draft: https://webassembly.github.io/spec/core/ Issue Tracker: https://github.com/webassembly/spec/issues/ Introduction Introduction Overview Structure Conventions Values Types Instructions Modules Validation Conventions Types Instructions Modules Execution Conventions Runtime Structure Numerics Instructions Modules Binary Format Conventions Values Types Instructions Modules Text Format Conventions Lexical Format Values Types Instructions Modules Appendix Embedding Implementation Limitations Validation Algorithm Custom Sections Soundness Change History Index of Types Index of Instructions Index of Semantic Rules Index