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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - min-width/height should default to auto for flexbox and grid items"
href="https://bugs.webkit.org/show_bug.cgi?id=146018">146018</a>
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<th>Summary</th>
<td>min-width/height should default to auto for flexbox and grid items
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>528+ (Nightly 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
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<th>Component</th>
<td>CSS
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
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<th>Reporter</th>
<td>svillar@igalia.com
</td>
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<pre>According to Flexbox[1] and Grid Layout[2] specs, the default value for the min-width/height properties for the flex/grid items should be 'auto'.
For flexbox items the default value was changed from min-content to 0 in <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Flexitems no longer default min-width to min-content"
href="show_bug.cgi?id=111790">https://bugs.webkit.org/show_bug.cgi?id=111790</a> and later reported as a regression <a class="bz_bug_link
bz_status_NEW "
title="NEW - REGRESSION (r147261): Flex box regression: min-height defaults to 0 instead of -webkit-min-content"
href="show_bug.cgi?id=114566">https://bugs.webkit.org/show_bug.cgi?id=114566</a>.
Since then the spec has changed and now it's clearly specified both the default value for those properties and also how to compute the minimum size for flex/grid items.
[1] <a href="http://dev.w3.org/csswg/css-flexbox/#min-size-auto">http://dev.w3.org/csswg/css-flexbox/#min-size-auto</a>
[2] <a href="http://dev.w3.org/csswg/css-grid/#min-size-auto">http://dev.w3.org/csswg/css-grid/#min-size-auto</a></pre>
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