Shivani Sharma

Fenced frames

3

## Introduction In a web that has its cookies and storage partitioned by top-frame site, there are occasions (such as [Interest group based advertising](https://github.com/WICG/turtledove) or [Conversion Lift Measurements](https://github.com/w3c/web-advertising/blob/master/support_for_advertising_use_cases.md#conversion-lift-measurement)) when it...

Viewability information for the fenced frame

1

Currently iframes are able to observe changes in their intersection with an ancestor element or with a top-level document's viewport via the [IntersectionObserver API](https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API). Fenced frames cannot observe the IO...

[Spec] Add nonce to network and storage partitioning keys

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The network partitioning key will be updated to include a nonce for the FF tree in the fetch spec. Similar changes will be required for the storage partitioning key.

[Spec] Do not fire beforeunload/unload handlers in the Fenced Frame tree

1

The rationale for this discussed in https://bugs.chromium.org/p/chromium/issues/detail?id=1271408#c22

Keeping the core fenced frames functionality in the spec and moving the consumer API specific parts to the respective APIs that can then link into the core fenced frames spec....