<?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>225649</bug_id>
          
          <creation_ts>2021-05-11 04:28:15 -0700</creation_ts>
          <short_desc>REGRESSION(r277083): Proximity scroll snap is broken on iOS</short_desc>
          <delta_ts>2021-05-12 01:10:16 -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="Martin Robinson">mrobinson</reporter>
          <assigned_to name="Martin Robinson">mrobinson</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>1758872</commentid>
    <comment_count>0</comment_count>
    <who name="Martin Robinson">mrobinson</who>
    <bug_when>2021-05-11 04:28:15 -0700</bug_when>
    <thetext>Instead of respecting the proximity setting, scroll snap always uses the mandatory setting.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1758883</commentid>
    <comment_count>1</comment_count>
      <attachid>428267</attachid>
    <who name="Martin Robinson">mrobinson</who>
    <bug_when>2021-05-11 06:13:53 -0700</bug_when>
    <thetext>Created attachment 428267
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1758887</commentid>
    <comment_count>2</comment_count>
      <attachid>428270</attachid>
    <who name="Martin Robinson">mrobinson</who>
    <bug_when>2021-05-11 06:37:12 -0700</bug_when>
    <thetext>Created attachment 428270
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1758965</commentid>
    <comment_count>3</comment_count>
      <attachid>428270</attachid>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2021-05-11 10:40:44 -0700</bug_when>
    <thetext>Comment on attachment 428270
Patch

Please check the failing tests.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1759191</commentid>
    <comment_count>4</comment_count>
      <attachid>428270</attachid>
    <who name="Martin Robinson">mrobinson</who>
    <bug_when>2021-05-12 01:00:17 -0700</bug_when>
    <thetext>Comment on attachment 428270
Patch

Thanks for the review! It looks like all the EWS bubbles are green so I&apos;m going to land this one.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1759196</commentid>
    <comment_count>5</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2021-05-12 01:09:15 -0700</bug_when>
    <thetext>Committed r277362 (237620@main): &lt;https://commits.webkit.org/237620@main&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 428270.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1759197</commentid>
    <comment_count>6</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2021-05-12 01:10:16 -0700</bug_when>
    <thetext>&lt;rdar://problem/77889995&gt;</thetext>
  </long_desc>
      
          <attachment
              isobsolete="1"
              ispatch="1"
              isprivate="0"
          >
            <attachid>428267</attachid>
            <date>2021-05-11 06:13:53 -0700</date>
            <delta_ts>2021-05-11 06:47:12 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-225649-20210511151352.patch</filename>
            <type>text/plain</type>
            <size>2979</size>
            <attacher name="Martin Robinson">mrobinson</attacher>
            
              <data encoding="base64">U3VidmVyc2lvbiBSZXZpc2lvbjogMjc3MzE5CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No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</data>
<flag name="commit-queue"
          id="449150"
          type_id="3"
          status="-"
          setter="ews-feeder"
    />
          </attachment>
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>428270</attachid>
            <date>2021-05-11 06:37:12 -0700</date>
            <delta_ts>2021-05-12 01:09:15 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-225649-20210511153711.patch</filename>
            <type>text/plain</type>
            <size>2969</size>
            <attacher name="Martin Robinson">mrobinson</attacher>
            
              <data encoding="base64">U3VidmVyc2lvbiBSZXZpc2lvbjogMjc3MzE5CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No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</data>

          </attachment>
      

    </bug>

</bugzilla>