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<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>295014</bug_id>
          
          <creation_ts>2025-06-25 20:39:28 -0700</creation_ts>
          <short_desc>[css-anchor-position-1] height in container query fails to cycle back to trigger next fallback</short_desc>
          <delta_ts>2025-08-21 00:19:39 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Layout and Rendering</component>
          <version>WebKit Local Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          <blocked>289743</blocked>
    
    <blocked>291856</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="fantasai">fantasai.bugs</reporter>
          <assigned_to name="Kiet Ho">kiet.ho</assigned_to>
          <cc>bfulgham</cc>
    
    <cc>kiet.ho</cc>
    
    <cc>koivisto</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>zalan</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2125949</commentid>
    <comment_count>0</comment_count>
    <who name="fantasai">fantasai.bugs</who>
    <bug_when>2025-06-25 20:39:28 -0700</bug_when>
    <thetext>Overview:

If a container query is triggered by a fallback, and it alters a box&apos;s height in a way that would fail it&apos;s current fallback option, that should move to the next fallback option, but currently doesn&apos;t.

Affected WPT Tests:
* http://wpt.live/css/css-anchor-position/position-try-container-query.html

Specification Links:
* https://www.w3.org/TR/css-anchor-position-1/#fallback</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2125950</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2025-06-25 20:39:54 -0700</bug_when>
    <thetext>&lt;rdar://problem/154355605&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2136954</commentid>
    <comment_count>2</comment_count>
    <who name="Kiet Ho">kiet.ho</who>
    <bug_when>2025-08-15 17:54:26 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/49494</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2137934</commentid>
    <comment_count>3</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2025-08-21 00:19:36 -0700</bug_when>
    <thetext>Committed 298999@main (5912cc91b207): &lt;https://commits.webkit.org/298999@main&gt;

Reviewed commits have been landed. Closing PR #49494 and removing active labels.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>