<?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>316232</bug_id>
          
          <creation_ts>2026-06-03 13:54:58 -0700</creation_ts>
          <short_desc>Take further steps to improve build parallelism</short_desc>
          <delta_ts>2026-06-05 09:50:49 -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>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Brent Fulgham">bfulgham</reporter>
          <assigned_to name="Brent Fulgham">bfulgham</assigned_to>
          <cc>jenner</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2217344</commentid>
    <comment_count>0</comment_count>
    <who name="Brent Fulgham">bfulgham</who>
    <bug_when>2026-06-03 13:54:58 -0700</bug_when>
    <thetext>In my initial pass, I excluded several build phases that could plausibly be done in parallel to reduce risk. Now that the sandboxing and script fusing pieces have landed, we can begin opting more bits of the build into a state where the build planner can have more scheduling flexibility.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2217345</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2026-06-03 13:55:12 -0700</bug_when>
    <thetext>&lt;rdar://problem/178656517&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2217395</commentid>
    <comment_count>2</comment_count>
    <who name="Brent Fulgham">bfulgham</who>
    <bug_when>2026-06-03 15:23:05 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/66406</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2217639</commentid>
    <comment_count>3</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2026-06-04 10:57:49 -0700</bug_when>
    <thetext>Committed 314554@main (c9e9995641cc): &lt;https://commits.webkit.org/314554@main&gt;

Reviewed commits have been landed. Closing PR #66406 and removing active labels.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2217739</commentid>
    <comment_count>4</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2026-06-04 14:32:13 -0700</bug_when>
    <thetext>Committed 314579@main (653a36adb39a): &lt;https://commits.webkit.org/314579@main&gt;

Reviewed commits have been landed. Closing PR #66489 and removing active labels.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2217741</commentid>
    <comment_count>5</comment_count>
    <who name="Robert Jenner">jenner</who>
    <bug_when>2026-06-04 14:35:32 -0700</bug_when>
    <thetext>We had to revert the change landed in this bug (https://commits.webkit.org/314554@main) due to it breaking all of the builds.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2218030</commentid>
    <comment_count>6</comment_count>
    <who name="Brent Fulgham">bfulgham</who>
    <bug_when>2026-06-05 09:50:49 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/66558</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>