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WebAssembly Multi-Memory

Category

WebAssembly

Type

Chromium catches up

Status

In developer trial (Behind a flag) (Chrome 120)

Intent stage

Start prototyping

• Breaking change: No
• Enterprise impact: None
• Chromium flag: enable-experimental-webassembly-features
• Spec maturity: Incubation

WPT details: The WebAssembly proposal comes with all relevant tests; we pass them.

Summary

Add support for more than one memory per WebAssembly module as specified in the WebAssembly Multi-Memory proposal: https://github.com/WebAssembly/multi-memory/blob/main/proposals/multi-memory/Overview.md

Standards & signals

• Specification: https://github.com/WebAssembly/multi-memory/blob/main/proposals/multi-memory/Overview.md
• Firefox: Positive
• Safari: Positive
• Web developers: Strongly positive
• Tracking bug: https://crbug.com/v8/13918

Ecosystem

• Web Platform Tests: https://wpt.fyi/results/?q=webassembly-multi-memory
• Chrome Platform Showcase: https://chrome-platform-showcase.paulkinlan-ea.deno.net/features
• GenDN reference: https://gendn.paulkinlan-ea.deno.net/features
• chrome.dev demos search: https://www.google.com/search?q=site%3Achrome.dev+WebAssembly%20Multi-Memory
• MDN Web Docs: https://developer.mozilla.org/en-US/search?q=WebAssembly%20Multi-Memory
• Baseline status: https://webstatus.dev/?q=WebAssembly%20Multi-Memory

Docs: https://github.com/WebAssembly/multi-memory/blob/main/proposals/multi-memory/Overview.md

View on chromestatus.com