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    <body><span class="vcard"><a class="email" href="mailto:gsnedders@apple.com" title="Sam Sneddon [:gsnedders] <gsnedders@apple.com>"> <span class="fn">Sam Sneddon [:gsnedders]</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - REGRESSION(ANGLE+METAL): WebGL2 content low frame rate"
   href="https://bugs.webkit.org/show_bug.cgi?id=228012">bug 228012</a>
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             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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           <td style="text-align:right;">URL</td>
           <td>
                
           </td>
           <td>https://noclip.website/#smg/DarkRoomGalaxy;ShareData=AZju&UDsRrT3IyH97Uy9=3k]%5eQY7VbUi%29BDT:JHOVvKe=UwLZ+873GrUDmZ%29=2L
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           <td style="text-align:right;">CC</td>
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           <td>gsnedders@apple.com, webkit-bug-importer@group.apple.com
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Summary</td>
           <td>Content performance regression on Safari iOS 15 Beta
           </td>
           <td>REGRESSION(ANGLE+METAL): WebGL2 content low frame rate
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - REGRESSION(ANGLE+METAL): WebGL2 content low frame rate"
   href="https://bugs.webkit.org/show_bug.cgi?id=228012#c2">Comment # 2</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - REGRESSION(ANGLE+METAL): WebGL2 content low frame rate"
   href="https://bugs.webkit.org/show_bug.cgi?id=228012">bug 228012</a>
              from <span class="vcard"><a class="email" href="mailto:gsnedders@apple.com" title="Sam Sneddon [:gsnedders] <gsnedders@apple.com>"> <span class="fn">Sam Sneddon [:gsnedders]</span></a>
</span></b>
        <pre>Performance is fine with the Metal backend disabled via experimental features, so regression is from enabling it.

To note: at least in the above case, this isn't per-se a regression in iOS 15, given WebGL 2 wasn't enabled in iOS 14. Might affect other WebGL content, however.</pre>
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