Web features explorer - Document-Isolation-Policy

Web features explorer

The Document-Isolation-Policy HTTP header makes a document cross-origin isolated, giving it access to APIs such as SharedArrayBuffer, without requiring the document or those it embeds to send Cross-Origin-Opener-Policy or Cross-Origin-Embedder-Policy headers.

Browser support

Chrome 137 Released on 2025-05-27
Chrome Android 146 Released on 2026-03-10
Edge 137 Released on 2025-05-29
Firefox Not supported
Firefox for Android Not supported
Safari Not supported
Safari on iOS Not supported

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

Document-Isolation-Policy, from Web Platform Incubator Community Group (W3C).

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