WebAssembly proposals

Proposals follow this process document.

Standardized proposals

Proposal	Champion
Import/Export of Mutable Globals	Ben Smith

Active proposals

Phase 4 - Standardize the Feature (WG)

Proposal	Champion
Non-trapping float-to-int conversions	Dan Gohman
Sign-extension operators	Ben Smith

Phase 3 - Implementation Phase (CG + WG)

Proposal	Champion
Multi-value	Andreas Rossberg
Reference Types	Andreas Rossberg
Tail call	Andreas Rossberg

Phase 2 - Proposed Spec Text Available (CG + WG)

Proposal	Champion
JavaScript BigInt to WebAssembly i64 integration	Dan Ehrenberg
WebAssembly specification	Andreas Rossberg
Bulk memory operations	Ben Smith
Threads	Ben Smith

Phase 1 - Feature Proposal (CG)

Proposal	Champion
Custom Annotation Syntax in the Text Format	Andreas Rossberg
ECMAScript module integration	Lin Clark
Exception handling	Heejin Ahn
Fixed-width SIMD	Peter Jensen and Arun Etm
Garbage collection	Andreas Rossberg
Host bindings	Luke Wagner
Type Reflection for WebAssembly JavaScript API	Till Schneidereit
WebAssembly C and C++ API	Andreas Rossberg

Phase 0 - Pre-Proposal (CG)

Proposal	Champion
Unmanaged closures	Mark Miller
Web Content Security Policy
Funclets: Flexible Intraprocedural Control Flow	Dan Gohman
Custom Annotations Proposal for WebAssembly	Andreas Rossberg

Contributing new proposals

Please see Contributing to WebAssembly for the most up-to-date information on contributing proposals to standard.