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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>229078</bug_id>
          
          <creation_ts>2021-08-13 10:36:28 -0700</creation_ts>
          <short_desc>Unprefix -webkit-box-decoration-break</short_desc>
          <delta_ts>2025-11-07 15:42:28 -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>CSS</component>
          <version>WebKit Local Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>NEW</bug_status>
          <resolution></resolution>
          
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=265615</see_also>
    
    <see_also>https://bugs.webkit.org/show_bug.cgi?id=278391</see_also>
    
    <see_also>https://bugs.webkit.org/show_bug.cgi?id=144249</see_also>
    
    <see_also>https://bugs.webkit.org/show_bug.cgi?id=145808</see_also>
    
    <see_also>https://bugs.webkit.org/show_bug.cgi?id=187887</see_also>
    
    <see_also>https://bugs.webkit.org/show_bug.cgi?id=258146</see_also>
    
    <see_also>https://bugs.webkit.org/show_bug.cgi?id=258697</see_also>
    
    <see_also>https://bugs.webkit.org/show_bug.cgi?id=267846</see_also>
    
    <see_also>https://bugs.webkit.org/show_bug.cgi?id=274145</see_also>
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>BrowserCompat, InRadar, WPTImpact</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          <dependson>144249</dependson>
    
    <dependson>140226</dependson>
          <blocked>217522</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="Sam Sneddon [:gsnedders]">gsnedders</reporter>
          <assigned_to name="Karl Dubost">karlcow</assigned_to>
          <cc>agafvv</cc>
    
    <cc>bramus</cc>
    
    <cc>graouts</cc>
    
    <cc>johannes.odland</cc>
    
    <cc>karlcow</cc>
    
    <cc>mmaxfield</cc>
    
    <cc>ntim</cc>
    
    <cc>sebastianzartner</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>zalan</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1784150</commentid>
    <comment_count>0</comment_count>
    <who name="Sam Sneddon [:gsnedders]">gsnedders</who>
    <bug_when>2021-08-13 10:36:28 -0700</bug_when>
    <thetext>Not immediately clear to me what this is actually blocked on? Maybe we can just go ahead and unprefix with an alias?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1785899</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2021-08-20 10:37:21 -0700</bug_when>
    <thetext>&lt;rdar://problem/82176202&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1849284</commentid>
    <comment_count>2</comment_count>
    <who name="Antoine Quint">graouts</who>
    <bug_when>2022-03-08 08:45:08 -0800</bug_when>
    <thetext>Ideally this would add animation support for this property in CSSPropertyAnimation. See the many uses of DiscretePropertyWrapper, this will likely be a one-liner.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1865160</commentid>
    <comment_count>3</comment_count>
    <who name="Tim Nguyen (:ntim)">ntim</who>
    <bug_when>2022-04-28 09:14:57 -0700</bug_when>
    <thetext>According to MDN, WebKit only supports this for inline elements (like Chrome).</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1923130</commentid>
    <comment_count>4</comment_count>
    <who name="Karl Dubost">karlcow</who>
    <bug_when>2023-01-05 05:20:36 -0800</bug_when>
    <thetext>https://wpt.fyi/results/css/css-break?label=master&amp;label=experimental&amp;aligned&amp;view=subtest&amp;q=box-decoration-break


https://searchfox.org/wubkat/rev/f78fd4847fdb47a9159a81e971c8b2af61d8d197/Source/WebCore/animation/CSSPropertyAnimation.cpp#3555-3557</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1973221</commentid>
    <comment_count>5</comment_count>
    <who name="Karl Dubost">karlcow</who>
    <bug_when>2023-08-24 01:49:06 -0700</bug_when>
    <thetext>So I was wondering the same. 
I have made a patch which solves the parsing but doesn&apos;t solve test 1, 2, and 4.
https://wpt.fyi/results/css/css-break?label=master&amp;label=experimental&amp;aligned&amp;q=safari%3Afail%20box-decoration-break

Let&apos;s see if they are more things we could do about it.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1973228</commentid>
    <comment_count>6</comment_count>
    <who name="Karl Dubost">karlcow</who>
    <bug_when>2023-08-24 01:56:01 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/17007</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2110707</commentid>
    <comment_count>7</comment_count>
    <who name="Johannes Odland">johannes.odland</who>
    <bug_when>2025-04-13 02:12:53 -0700</bug_when>
    <thetext>Is this also blocked on https://bugs.webkit.org/show_bug.cgi?id=274145 ?

I think `box-decoration-break: clone` should work with `text-wrap-style: balance`.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>