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https://github.com/WebAssembly/proposals
Tracking WebAssembly proposals
https://github.com/WebAssembly/proposals
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Tracking WebAssembly proposals
- Host: GitHub
- URL: https://github.com/WebAssembly/proposals
- Owner: WebAssembly
- Created: 2018-10-16T21:53:29.000Z (about 6 years ago)
- Default Branch: main
- Last Pushed: 2024-10-08T16:59:40.000Z (about 1 month ago)
- Last Synced: 2024-10-30T06:13:51.337Z (14 days ago)
- Topics: meta
- Size: 214 KB
- Stars: 996
- Watchers: 209
- Forks: 58
- Open Issues: 21
-
Metadata Files:
- Readme: README.md
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README
# [WebAssembly][webassembly_specification] proposals
- [Finished Proposals](finished-proposals.md)
- [Inactive Proposals](inactive-proposals.md)
## Active proposals
Proposals follow [this process document](https://github.com/WebAssembly/meetings/blob/main/process/phases.md).
### Phase 5 - The Feature is Standardized (WG)
_These proposals have not yet been merged to the spec. Merged proposals are listed in [Finished Proposals](finished-proposals.md)._
| Proposal | Champion |
| -----------------------------------------------------------| ------------------------ |
| [Tail call][tail_call] | Andreas Rossberg |
| [Extended Constant Expressions][extended-const] | Sam Clegg |
| [Typed Function References][function_references] | Andreas Rossberg |
| [Garbage collection][garbage_collection] | Andreas Rossberg |
| [Multiple memories][multi-memory] | Andreas Rossberg |
| [Relaxed SIMD][relaxed-simd] | Marat Dukhan & Zhi An Ng |
| [Custom Annotation Syntax in the Text Format][annotations] | Andreas Rossberg |
| [Branch Hinting][branch-hinting] | Yuri Iozzelli |
### Phase 4 - Standardize the Feature (WG)
| Proposal | Champion |
| -----------------------------------------------------------| -------------------------|
| [Threads][threads] | Conrad Watt |
| [Exception handling][exception_handling] | Heejin Ahn & Ben Titzer |
| [JS String Builtins][js-string-builtins] | Ryan Hunt |
### Phase 3 - Implementation Phase (CG + WG)
| Proposal | Champion |
| -----------------------------------------------------------| ------------------------------------ |
| [Memory64][memory64] | Sam Clegg |
| [Web Content Security Policy][content-security-policy] | Francis McCabe |
| [JS Promise Integration][js-promise-integration] | Francis McCabe |
| [Type Reflection for WebAssembly JavaScript API][js-types] | Ilya Rezvov |
| [ESM Integration][ecmascript_module_integration] | Asumu Takikawa, Ms2ger & Guy Bedford |
### Phase 2 - Proposed Spec Text Available (CG + WG)
| Proposal | Champion |
| ---------------------------------------------------------------| -----------------------------|
| [Relaxed dead code validation][relaxed-dead-code-validation] | Conrad Watt and Ross Tate |
| [Numeric Values in WAT Data Segments][numeric-values-in-wat] | Ezzat Chamudi |
| [Instrument and Tracing Technology][instrument-tracing] | Richard Winterton |
| [Extended Name Section][extended-name-section] | Ashley Nelson |
| [Custom Page Sizes][custom-page-sizes] | Nick Fitzgerald |
| [Stack Switching][stack-switching] | Francis McCabe & Sam Lindley |
| [Wide Arithmetic][wide-arithmetic] | Alex Crichton and Jamey Sharp|
### Phase 1 - Feature Proposal (CG)
| Proposal | Champion |
| ------------------------------------------------------ | --------------------------------------------------------------------------------- |
| [Type Imports][type-imports] | Andreas Rossberg |
| [Component Model][component-model] | Luke Wagner |
| [WebAssembly C and C++ API][wasm_c_api] | Andreas Rossberg |
| [Flexible Vectors][flexible-vectors] | Petr Penzin & Tal Garfinkel |
| [Call Tags][call-tags] | Ross Tate |
| [Constant Time][constant-time] | Sunjay Cauligi, Garrett Gu, John Renner, Hovav Shacham, Deian Stefan, Conrad Watt |
| [JS Customization for GC Objects][gc-js-customization] | Asumu Takikawa |
| [Memory control][memory-control] | Deepti Gandluri & Ben Visness |
| [Reference-Typed Strings][stringref] | Andy Wingo |
| [Profiles][profiles] | Andreas Rossberg |
| [Rounding Variants][rounding-mode-control] | Kloud Koder |
| [Shared-Everything Threads][shared-everything-threads] | Andrew Brown, Conrad Watt, and Thomas Lively |
| [Frozen Values][frozen-values] | Léo Andrès and Pierre Chambart |
| [Compilation Hints][compilation-hints] | Emanuel Ziegler |
| [Half Precision][half-precision] | Ilya Rezvov |
| [Compact Import Section][compact-import-section] | Ryan Hunt |
### Phase 0 - Pre-Proposal (CG)
| Proposal | Champion |
| ----------------------------------------------------------- | -------------------------------- |
## Implementation status
Implementation status of most proposals in various wasm engines is available on https://webassembly.org/features/
## Contributing new proposals
Please see [Contributing to WebAssembly](https://github.com/WebAssembly/design/blob/main/Contributing.md) for the most up-to-date information on contributing proposals to standard.
[annotations]: https://github.com/WebAssembly/annotations
[ecmascript_module_integration]: https://github.com/WebAssembly/esm-integration
[exception_handling]: https://github.com/WebAssembly/exception-handling
[feature_detection]: https://github.com/WebAssembly/feature-detection
[function_references]: https://github.com/WebAssembly/function-references
[type-imports]: https://github.com/WebAssembly/proposal-type-imports
[garbage_collection]: https://github.com/WebAssembly/gc
[component-model]: https://github.com/WebAssembly/component-model
[multi-memory]: https://github.com/WebAssembly/multi-memory
[tail_call]: https://github.com/WebAssembly/tail-call
[threads]: https://github.com/webassembly/threads
[js-types]: https://github.com/WebAssembly/js-types
[wasm_c_api]: https://github.com/WebAssembly/wasm-c-api
[content-security-policy]: https://github.com/WebAssembly/content-security-policy
[webassembly_specification]: https://github.com/WebAssembly/spec
[extended-name-section]: https://github.com/WebAssembly/extended-name-section
[constant-time]: https://github.com/WebAssembly/constant-time
[memory64]: https://github.com/WebAssembly/memory64
[flexible-vectors]: https://github.com/WebAssembly/flexible-vectors
[numeric-values-in-wat]: https://github.com/WebAssembly/wat-numeric-values
[instrument-tracing]: https://github.com/WebAssembly/instrument-tracing
[call-tags]: https://github.com/WebAssembly/call-tags
[relaxed-dead-code-validation]: https://github.com/WebAssembly/relaxed-dead-code-validation
[branch-hinting]: https://github.com/WebAssembly/branch-hinting
[extended-const]: https://github.com/WebAssembly/extended-const
[relaxed-simd]: https://github.com/WebAssembly/relaxed-simd
[stack-switching]: https://github.com/WebAssembly/stack-switching
[js-promise-integration]: https://github.com/WebAssembly/js-promise-integration
[gc-js-customization]: https://github.com/WebAssembly/gc-js-customization
[memory-control]: https://github.com/WebAssembly/memory-control
[stringref]: https://github.com/WebAssembly/stringref
[profiles]: https://github.com/WebAssembly/profiles
[js-string-builtins]: https://github.com/WebAssembly/js-string-builtins
[rounding-mode-control]: https://github.com/WebAssembly/rounding-mode-control
[shared-everything-threads]: https://github.com/WebAssembly/shared-everything-threads
[frozen-values]: https://github.com/WebAssembly/frozen-values
[compilation-hints]: https://github.com/WebAssembly/compilation-hints
[custom-page-sizes]: https://github.com/WebAssembly/custom-page-sizes
[half-precision]: https://github.com/WebAssembly/half-precision
[compact-import-section]: https://github.com/WebAssembly/compact-import-section
[wide-arithmetic]: https://github.com/WebAssembly/wide-arithmetic