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conformance · v139

v139 · scroll-anchoring-priority-candidate-fix — conformance probe

6 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://drafts.csswg.org/css-scroll-anchoring-1/ chromestatus: #5070370113323008 generated 2026-06-05T08:36:49Z by manual-codex-devtools
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pass
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fail
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id contract kind verdict detail
overflow-anchor-auto-supported The overflow-anchor property accepts auto, enabling browser scroll anchoring in a scroll container. spec ↗ css-supports
overflow-anchor-none-supported The overflow-anchor property accepts none for opting a subtree out of anchoring. spec ↗ css-supports
auto-anchor-preserves-visible-target-after-insert With overflow-anchor:auto, inserting content above a visible target preserves that target's position by adjusting scrollTop. spec ↗ script
none-opt-out-allows-visible-target-to-move With overflow-anchor:none, inserting content above a visible target does not compensate the scroll position. spec ↗ script
focused-editable-candidate-stays-visible A focused editable candidate remains stable when upstream content is inserted in an anchored scroller. spec ↗ script
window-find-available-for-find-demo Chrome exposes window.find(), letting the find-in-page demo exercise the browser find path rather than only a synthetic DOM marker. typeof