Web features explorer

Branch hinting (WebAssembly)

Newly Available (since 2026-02-24)
Expected to be Widely Available on 2028-08-24

Branch hints in WebAssembly allows a browser to optimize performance when a branch is a likely to take a specific path.

Browser support

  • Chrome 137 Released on 2025-05-27
  • Chrome Android 137 Released on 2025-05-27
  • Edge 137 Released on 2025-05-29
  • Firefox 148 Released on 2026-02-24
  • Firefox for Android 148 Released on 2026-02-24
  • Safari 16 Released on 2022-09-12
  • Safari on iOS 16 Released on 2022-09-12

MDN documentation

No MDN documentation found. You can search for the feature on MDN. If you believe that MDN has no documentation about this feature, you can open an issue on MDN's GitHub repository.

Specifications

View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist