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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [iOS] REGRESSION (r197953): User gesture required to load video in iOS 9-built apps"
href="https://bugs.webkit.org/show_bug.cgi?id=163244">163244</a>
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<th>Summary</th>
<td>[iOS] REGRESSION (r197953): User gesture required to load video in iOS 9-built apps
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</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>iPhone / iPad
</td>
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<th>OS</th>
<td>iOS 10
</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>WebCore Misc.
</td>
</tr>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
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<th>Reporter</th>
<td>dbates@webkit.org
</td>
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<th>CC</th>
<td>eric.carlson@apple.com, jer.noble@apple.com, jonlee@apple.com
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<pre>Following <<a href="https://trac.webkit.org/changeset/197953">https://trac.webkit.org/changeset/197953</a>> (<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Add separate WK and WK2 preferences for requiring user gestures for video media, distinct from user gestures for media generally"
href="show_bug.cgi?id=155141">bug #155141</a>), videos require a user gesture to load on iOS. Among other implications of this change, we dispatch a DOM loadedmetadata event at a <video> event only if a human being initiated playback of the video. This changes makes iOS more closely align with the behavior on macOS. However it is represents a backward incompatible change from the behavior in iOS 9 and earlier. We should only enable this behavioral change for apps built against iOS 10 or later.</pre>
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