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<!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>299577</bug_id>
          
          <creation_ts>2025-09-25 18:32:25 -0700</creation_ts>
          <short_desc>Always-on scrollbars are not symmetrical in the track</short_desc>
          <delta_ts>2025-10-30 08:37:23 -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>Scrolling</component>
          <version>Other</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=301587</see_also>
          <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>301587</dependson>
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Simon Fraser (smfr)">simon.fraser</reporter>
          <assigned_to name="Simon Fraser (smfr)">simon.fraser</assigned_to>
          <cc>simon.fraser</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2146039</commentid>
    <comment_count>0</comment_count>
      <attachid>476859</attachid>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2025-09-25 18:32:25 -0700</bug_when>
    <thetext>Created attachment 476859
Test

Enable always-on scrollbars in Appearance.
Load the attached page, which has a 100% width element.
Note how the thumb is wedged right against the green box; there should be a px or two of breathing room.

This is because we should make the scrollbars 17px wide, but they are 14px wide.

&lt;rdar://161372025&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2146041</commentid>
    <comment_count>1</comment_count>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2025-09-25 18:35:25 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/51357</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2154627</commentid>
    <comment_count>2</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2025-10-27 20:15:39 -0700</bug_when>
    <thetext>Committed 302222@main (e417ae6c5c6f): &lt;https://commits.webkit.org/302222@main&gt;

Reviewed commits have been landed. Closing PR #51357 and removing active labels.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2154882</commentid>
    <comment_count>3</comment_count>
    <who name="Robert Jenner">jenner</who>
    <bug_when>2025-10-28 19:09:50 -0700</bug_when>
    <thetext>Reopened Bugzilla.
REGRESSION(302222@main) [ Tahoe ]: 14 TestWebKitAPI.CSSViewportUnits (api-tests) are constant failures, tracking revert in https://bugs.webkit.org/show_bug.cgi?id=301587.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2155153</commentid>
    <comment_count>4</comment_count>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2025-10-29 18:59:40 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/53182</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2155262</commentid>
    <comment_count>5</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2025-10-30 08:37:21 -0700</bug_when>
    <thetext>Committed 302346@main (b279109c4a22): &lt;https://commits.webkit.org/302346@main&gt;

Reviewed commits have been landed. Closing PR #53182 and removing active labels.</thetext>
  </long_desc>
      
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            <attachid>476859</attachid>
            <date>2025-09-25 18:32:25 -0700</date>
            <delta_ts>2025-09-25 18:32:25 -0700</delta_ts>
            <desc>Test</desc>
            <filename>blue-page.html</filename>
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            <attacher name="Simon Fraser (smfr)">simon.fraser</attacher>
            
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