Web-Facing Change PSA: Document picture-in-picture: copy document mode

[Tommy Steimel]

Contact emails

ste...@chromium.org

Specification

https://github.com/WICG/document-picture-in-picture/pull/128

Summary

This makes the document picture-in-picture Document's mode (quirks mode vs no-quirks-mode) match the mode of the opener Document. Currently, the empty document is quirks mode by default, so this allows websites that rely on non-quirks mode to still function properly within a document picture-in-picture window.

Blink component

Blink>Media>PictureInPicture

TAG review

None

TAG review status

Not applicable

Risks

Interoperability and Compatibility

Small change to existing API that has not yet been implemented by other browsers

Gecko: No signal (https://github.com/mozilla/standards-positions/issues/670#issuecomment-2386617575)

WebKit: No signal (https://github.com/WebKit/standards-positions/issues/41#issuecomment-2386617755)

Web developers: Positive (https://github.com/WICG/document-picture-in-picture/issues/127)

Other signals:

Ergonomics

N/A

Activation

N/A

Security

N/A

WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that it has potentially high risk for Android WebView-based applications?

None

Debuggability

N/A

Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, ChromeOS, Android, and Android WebView)?

No

Android does not support document picture-in-picture

Is this feature fully tested by web-platform-tests?

Yes

document-picture-in-picture/copy-document-mode.https.html document-picture-in-picture/copy-document-mode-quirks.https.html

Flag name on chrome://flags

None

Finch feature name

None

Non-finch justification

Small change to existing API

Requires code in //chrome?

False

Tracking bug

https://crbug.com/370423046

Estimated milestones

Shipping on desktop

131

Anticipated spec changes

Open questions about a feature may be a source of future web compat or interop issues. Please list open issues (e.g. links to known github issues in the project for the feature specification) whose resolution may introduce web compat/interop risk (e.g., changing to naming or structure of the API in a non-backward-compatible way).

None

Link to entry on the Chrome Platform Status

https://chromestatus.com/feature/6275022143094784?gate=5177056518995968

This intent message was generated by Chrome Platform Status.

[Rick Byers]

Thanks Tommy, sounds like a bugfix to me.

Cheers,

  Rick

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