<?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>299828</bug_id>
          
          <creation_ts>2025-09-29 15:29:50 -0700</creation_ts>
          <short_desc>REGRESSION(300617@main): Broke many imported/w3c/web-platform-tests/css/mediaqueries on iOS</short_desc>
          <delta_ts>2025-09-30 12:51:47 -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>New Bugs</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>DUPLICATE</resolution>
          <dup_id>299842</dup_id>
          
          <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="Jonathan Bedard">jbedard</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>pvollan</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2146973</commentid>
    <comment_count>0</comment_count>
    <who name="Jonathan Bedard">jbedard</who>
    <bug_when>2025-09-29 15:29:50 -0700</bug_when>
    <thetext>300618@main broke many tests in imported/w3c/web-platform-tests/css/mediaqueries on iOS.

Failure links:
https://results.webkit.org/?suite=layout-tests&amp;suite=layout-tests&amp;test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fmediaqueries%2Faspect-ratio-003.html&amp;test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fmediaqueries%2Faspect-ratio-001.html&amp;platform=ios

Tests we believe are impacted:
http/wpt/content-security-policy/sandbox-manifest-blocked-cross-origin.sub.html
http/wpt/css/css-view-transitions/navigation/cross-origin-bfcache.html
http/wpt/css/css-view-transitions/navigation/old_vt_promises_bfcache.html
http/wpt/loading/early-hints/preconnect-csp-allowed.h2.window.html
http/wpt/loading/early-hints/preconnect-csp-blocked.h2.window.html
http/wpt/loading/early-hints/preconnect.h2.window.html
http/wpt/navigation-api/navigate-event/navigate-history-back-bfcache.html
http/wpt/navigation-api/per-entry-events/dispose-after-bfcache.html
http/wpt/webcodecs/webcodecs-crossOrigin.sub.html
imported/w3c/web-platform-tests/css/mediaqueries/aspect-ratio-002.html
imported/w3c/web-platform-tests/css/mediaqueries/aspect-ratio-001.html
imported/w3c/web-platform-tests/css/mediaqueries/aspect-ratio-003.html
imported/w3c/web-platform-tests/css/mediaqueries/aspect-ratio-005.html
imported/w3c/web-platform-tests/css/mediaqueries/aspect-ratio-006.html
imported/w3c/web-platform-tests/css/mediaqueries/aspect-ratio-004.html
imported/w3c/web-platform-tests/css/mediaqueries/aspect-ratio-serialization.html
imported/w3c/web-platform-tests/css/mediaqueries/device-aspect-ratio-002.html
imported/w3c/web-platform-tests/css/mediaqueries/device-aspect-ratio-003.html
imported/w3c/web-platform-tests/css/mediaqueries/dynamic-range.html
imported/w3c/web-platform-tests/css/mediaqueries/device-aspect-ratio-006.html
imported/w3c/web-platform-tests/css/mediaqueries/display-mode.html
imported/w3c/web-platform-tests/css/mediaqueries/device-aspect-ratio-004.html
imported/w3c/web-platform-tests/css/mediaqueries/display-mode.tentative.html
imported/w3c/web-platform-tests/css/mediaqueries/forced-colors.html
imported/w3c/web-platform-tests/css/mediaqueries/match-media-parsing.html
imported/w3c/web-platform-tests/css/mediaqueries/media-query-matches-in-iframe.html
imported/w3c/web-platform-tests/css/mediaqueries/min-width-001.xht
imported/w3c/web-platform-tests/css/mediaqueries/inverted-colors.html
imported/w3c/web-platform-tests/css/mediaqueries/min-width-tables-001.html
imported/w3c/web-platform-tests/css/mediaqueries/mq-calc-001.html
imported/w3c/web-platform-tests/css/mediaqueries/mq-calc-004.html
imported/w3c/web-platform-tests/css/mediaqueries/mq-calc-003.html
imported/w3c/web-platform-tests/css/mediaqueries/mq-calc-005.html
imported/w3c/web-platform-tests/css/mediaqueries/mq-calc-002.html
imported/w3c/web-platform-tests/css/mediaqueries/mq-calc-006.html</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2146974</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2025-09-29 15:32:59 -0700</bug_when>
    <thetext>&lt;rdar://problem/161602815&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2146976</commentid>
    <comment_count>2</comment_count>
    <who name="Jonathan Bedard">jbedard</who>
    <bug_when>2025-09-29 15:38:29 -0700</bug_when>
    <thetext>Seems surprising this change had any functional difference.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2147161</commentid>
    <comment_count>3</comment_count>
    <who name="Per Arne Vollan">pvollan</who>
    <bug_when>2025-09-30 08:09:22 -0700</bug_when>
    <thetext>

*** This bug has been marked as a duplicate of bug 299842 ***</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>