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<base href="https://bugs.webkit.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - When the browser window is activated or deactivated, images can flash"
href="https://bugs.webkit.org/show_bug.cgi?id=169943">169943</a>
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<th>Summary</th>
<td>When the browser window is activated or deactivated, images can flash
</td>
</tr>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Local Build
</td>
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<th>Hardware</th>
<td>Unspecified
</td>
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<th>OS</th>
<td>Unspecified
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
</td>
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<th>Component</th>
<td>Images
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>simon.fraser@apple.com
</td>
</tr></table>
<p>
<div>
<pre>We can get flashes of undecided images when the browser window goes between foreground and background.
This happens because tile size changes trigger painting, and we may have thrown away decoded data via the MemoryCache pruning timer, so we have to re-decode async and thus flash.</pre>
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