<?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>194101</bug_id>
          
          <creation_ts>2019-01-31 11:18:42 -0800</creation_ts>
          <short_desc>[macOS] Fix scrollbar display for async-scrolling overflow</short_desc>
          <delta_ts>2020-04-11 08:26:47 -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>Scrolling</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</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="Simon Fraser (smfr)">simon.fraser</reporter>
          <assigned_to name="Simon Fraser (smfr)">simon.fraser</assigned_to>
          <cc>esprehn+autocc</cc>
    
    <cc>ews-watchlist</cc>
    
    <cc>fred.wang</cc>
    
    <cc>glenn</cc>
    
    <cc>koivisto</cc>
    
    <cc>kondapallykalyan</cc>
    
    <cc>pdr</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>thorton</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1500663</commentid>
    <comment_count>0</comment_count>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2019-01-31 11:18:42 -0800</bug_when>
    <thetext>Scrollbars don&apos;t display in async overflow scroll areas on macOS</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1500665</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2019-01-31 11:19:32 -0800</bug_when>
    <thetext>&lt;rdar://problem/47709273&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1640473</commentid>
    <comment_count>2</comment_count>
      <attachid>396145</attachid>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2020-04-10 20:30:56 -0700</bug_when>
    <thetext>Created attachment 396145
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1640486</commentid>
    <comment_count>3</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2020-04-10 22:17:29 -0700</bug_when>
    <thetext>Committed r259921: &lt;https://trac.webkit.org/changeset/259921&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 396145.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1640543</commentid>
    <comment_count>4</comment_count>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2020-04-11 08:26:47 -0700</bug_when>
    <thetext>*** Bug 194102 has been marked as a duplicate of this bug. ***</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>396145</attachid>
            <date>2020-04-10 20:30:56 -0700</date>
            <delta_ts>2020-04-10 22:17:30 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-194101-20200410203055.patch</filename>
            <type>text/plain</type>
            <size>6397</size>
            <attacher name="Simon Fraser (smfr)">simon.fraser</attacher>
            
              <data encoding="base64">U3VidmVyc2lvbiBSZXZpc2lvbjogMjU5OTE2CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D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</data>

          </attachment>
      

    </bug>

</bugzilla>