<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!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>290359</bug_id>
          
          <creation_ts>2025-03-24 19:28:00 -0700</creation_ts>
          <short_desc>objectIsRelayoutBoundary doesn&apos;t account for baseline changes across the boundary</short_desc>
          <delta_ts>2025-03-25 12:26:24 -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 Nightly 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>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Matt Woodrow">mattwoodrow</reporter>
          <assigned_to name="Matt Woodrow">mattwoodrow</assigned_to>
          <cc>bfulgham</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>2105764</commentid>
    <comment_count>0</comment_count>
    <who name="Matt Woodrow">mattwoodrow</who>
    <bug_when>2025-03-24 19:28:00 -0700</bug_when>
    <thetext>Being an independent formatting context isn&apos;t sufficient to be a layout boundary, as placement within the formatting context can affect the baseline positioning of things outside.

We need to prevent these being treated as boundaries if they are inside an inline formatting context.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2105765</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2025-03-24 19:29:51 -0700</bug_when>
    <thetext>&lt;rdar://problem/147799932&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2105785</commentid>
    <comment_count>2</comment_count>
    <who name="Matt Woodrow">mattwoodrow</who>
    <bug_when>2025-03-24 20:51:51 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/42977</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2105945</commentid>
    <comment_count>3</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2025-03-25 12:26:21 -0700</bug_when>
    <thetext>Committed 292662@main (cb80e57398c2): &lt;https://commits.webkit.org/292662@main&gt;

Reviewed commits have been landed. Closing PR #42977 and removing active labels.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>