CR Request for WebAssembly Core - wasm-core

[dschuff]

Document title, URLs, estimated publication date

WebAssembly Core Specification, https://www.w3.org/TR/wasm-core-2/
Estimated publication date: ASAP

Abstract

This document describes release 2.0 of the core WebAssembly standard, a safe, portable, low-level code format designed for efficient execution and compact representation.

This is part of a collection of related documents: the Core WebAssembly Specification, the WebAssembly JS Interface, and the WebAssembly Web API.

Status

WD: existing status can be seen in the doc at the link above
Status for all the various states (including what the CR status will be) can be found in our Bikeshed boilerplate
files: https://github.com/speced/bikeshed-boilerplate/tree/main/boilerplate/wasm

Link to group's decision to request transition

https://github.com/WebAssembly/meetings/blob/main/main/2024/WG-06-12.md

Changes

Changes since 1.0 listed at https://www.w3.org/TR/wasm-core-2/#change-history
The following extension proposals have advanced from the CG:
Sign extension instructions; Non-trapping float-to-int conversions; multi-value block types and function results;
reference types, table instructions, and multiple tables; bulk memory and table instructions; SIMD vector instructions.

Requirements satisfied

Dependencies met (or not)

Dependencies are unlikely to change.

Wide Review

[TODO: horizontal review?]
Issues are tracked at https://github.com/WebAssembly/spec/issues
Email announcement at https://lists.w3.org/Archives/Public/public-webassembly/2024Jul/0000.html

Issues addressed

Issues are tracked at https://github.com/WebAssembly/spec/issues

Formal Objections

None raised

Implementation

All of these features have been implemented in all 3 major browser engines. A full feature matrix including version
information can be found at https://webassembly.org/features/

Patent disclosures

[TODO: link to IPP]

[dschuff]

/cc @sideshowbarker @lukewagner @rossberg

[plehegar]

It's not clear if horizontal reviews for substantive changes since the previous was done. Were the horizontal groups asked?