<?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>313075</bug_id>
          
          <creation_ts>2026-04-22 16:41:22 -0700</creation_ts>
          <short_desc>[Site Isolation] fast/events/before-unload-navigate-different-window.html fails</short_desc>
          <delta_ts>2026-04-28 17:41:40 -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>REOPENED</bug_status>
          <resolution></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>
          <dependson>313240</dependson>
    
    <dependson>313603</dependson>
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Ryosuke Niwa">rniwa</reporter>
          <assigned_to name="Ryosuke Niwa">rniwa</assigned_to>
          <cc>commit-queue</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2203429</commentid>
    <comment_count>0</comment_count>
    <who name="Ryosuke Niwa">rniwa</who>
    <bug_when>2026-04-22 16:41:22 -0700</bug_when>
    <thetext>fast/events/before-unload-navigate-different-window.html fails when ran with --site-isolation.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2203466</commentid>
    <comment_count>1</comment_count>
    <who name="Ryosuke Niwa">rniwa</who>
    <bug_when>2026-04-22 17:28:46 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/63381</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2203873</commentid>
    <comment_count>2</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2026-04-23 14:30:58 -0700</bug_when>
    <thetext>Committed 311895@main (34469923bb04): &lt;https://commits.webkit.org/311895@main&gt;

Reviewed commits have been landed. Closing PR #63381 and removing active labels.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2203874</commentid>
    <comment_count>3</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2026-04-23 14:31:12 -0700</bug_when>
    <thetext>&lt;rdar://problem/175456940&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2204170</commentid>
    <comment_count>4</comment_count>
    <who name="Marta Darbinyan">darbinyan</who>
    <bug_when>2026-04-24 09:55:17 -0700</bug_when>
    <thetext>Reopened Bugzilla.
REGRESSION(311895@main): [macOS Debug Release]: ASSERTION FAILED: m_site-&gt;protocol() == url.protocol() || m_site-&gt;protocol(), tracking revert in https://bugs.webkit.org/show_bug.cgi?id=313240.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2204335</commentid>
    <comment_count>5</comment_count>
    <who name="Ryosuke Niwa">rniwa</who>
    <bug_when>2026-04-24 17:46:06 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/63562</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2204540</commentid>
    <comment_count>6</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2026-04-25 22:59:24 -0700</bug_when>
    <thetext>Committed 312031@main (0ae18490cc0b): &lt;https://commits.webkit.org/312031@main&gt;

Reviewed commits have been landed. Closing PR #63562 and removing active labels.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2205592</commentid>
    <comment_count>7</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2026-04-28 17:41:40 -0700</bug_when>
    <thetext>Re-opened since this is blocked by bug 313603</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>