<?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>305958</bug_id>
          
          <creation_ts>2026-01-21 11:51:15 -0800</creation_ts>
          <short_desc>REGRESSION(303665@main): [macOS] imported/w3c/web-platform-tests/media-source/mediasource-changetype-play.html is flaky failure</short_desc>
          <delta_ts>2026-01-21 12:32:28 -0800</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>NEW</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>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Marta Darbinyan">darbinyan</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>webkit-bot-watchers-bugzilla</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2173787</commentid>
    <comment_count>0</comment_count>
    <who name="Marta Darbinyan">darbinyan</who>
    <bug_when>2026-01-21 11:51:15 -0800</bug_when>
    <thetext>The following test is flaky on macOS. Failures occur more often in Release, but there are flaky instances in Debug as well, though less frequently.
The test regressed after modification in 303665@main.

imported/w3c/web-platform-tests/media-source/mediasource-changetype-play.html

Test result:
https://build.webkit.org/#/builders/1227/builds/6539

Test history:
https://results.webkit.org/?suite=layout-tests&amp;test=imported%2Fw3c%2Fweb-platform-tests%2Fmedia-source%2Fmediasource-changetype-play.html&amp;architecture=arm64&amp;flavor=wk2&amp;style=release</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2173788</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2026-01-21 11:51:32 -0800</bug_when>
    <thetext>&lt;rdar://problem/168605233&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2173804</commentid>
    <comment_count>2</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2026-01-21 12:32:28 -0800</bug_when>
    <thetext>Test gardening commit 305952@main (c7d80d971536): &lt;https://commits.webkit.org/305952@main&gt;

Reviewed commits have been landed. Closing PR #56983 and removing active labels.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>