Update hidden=until-found and details ancestor revealing algorithm

Category: DOM
Type: Chromium catches up
Status: Proposed (Chrome Proposed)
Intent stage: None

Breaking change: No
Enterprise impact: None
Spec maturity: Published standard
Web Platform Tests: Yes

WPT details: https://github.com/web-platform-tests/wpt/pull/54116

Summary

The spec recently had some small changes to the revealing algorithms for hidden=until-found and details elements in order to prevent the browser from getting stuck in an infinite loop: https://github.com/whatwg/html/pull/11457

Standards & signals

Specification: https://github.com/whatwg/html/pull/11457
Firefox: Positive — Firefox is implementing: https://github.com/web-platform-tests/interop/issues/984#issuecomment-3164919463
Safari: Shipped/Shipping
Web developers: No signals
Tracking bug: https://issues.chromium.org/issues/433545121

Ecosystem

Web Platform Tests: https://wpt.fyi/results/?q=update-hidden-until-found-and-details-ancestor-revealing-algorithm
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+Update%20hidden%3Duntil-found%20and%20details%20ancestor%20revealing%20algorithm
MDN Web Docs: https://developer.mozilla.org/en-US/search?q=Update%20hidden%3Duntil-found%20and%20details%20ancestor%20revealing%20algorithm
Baseline status: https://webstatus.dev/?q=Update%20hidden%3Duntil-found%20and%20details%20ancestor%20revealing%20algorithm

View on chromestatus.com