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<base href="https://bugzilla.gnome.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - gtk3 3.21.5 broke displaying drop-down lists"
href="https://bugzilla.gnome.org/show_bug.cgi?id=771117">771117</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>gtk3 3.21.5 broke displaying drop-down lists
</td>
</tr>
<tr>
<th>Classification</th>
<td>Platform
</td>
</tr>
<tr>
<th>Product</th>
<td>gtk+
</td>
</tr>
<tr>
<th>Version</th>
<td>3.21.x
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>Normal
</td>
</tr>
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<th>Component</th>
<td>Backend: Wayland
</td>
</tr>
<tr>
<th>Assignee</th>
<td>gtk-bugs@gtk.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>kparal@redhat.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>gtk-bugs@gtk.org
</td>
</tr>
<tr>
<th>CC</th>
<td>rob@robster.org.uk, wayland-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>GNOME version</th>
<td>---
</td>
</tr></table>
<p>
<div>
<pre>With gtk3-3.21.4-2.fc25.x86_64, everything worked fine. With
gtk3-3.21.5-1.fc25.x86_64, all drop-down lists available in
gnome-control-center (e.g. in Power) are broken - if you click on them, they
display only an empty list, and the real values are hidden outside of the
visible area - you need to scroll to display them. Some of them can't be used
at all (the drop-down list under Suspend & Power button - other values can't be
displayed even with scrolling).
See the video to showcase the problem.
This happens on Wayland, but does not happen when I run gnome-control-center
with GDK_BACKEND=x11 GTK_CSD=1, and did not happen in previous gtk version
(tested with downgrade).
control-center-3.20.1-1.fc25.x86_64
gdk-pixbuf2-2.35.4-1.fc25.x86_64
gdk-pixbuf2-modules-2.35.4-1.fc25.x86_64
gnome-session-wayland-session-3.21.90-1.fc25.x86_64
gnome-shell-3.21.91-1.fc25.x86_64
gtk3-3.21.5-1.fc25.x86_64
libwayland-client-1.11.92-1.fc25.x86_64
libwayland-cursor-1.11.92-1.fc25.x86_64
libwayland-server-1.11.92-1.fc25.x86_64
mesa-libwayland-egl-12.0.2-1.fc25.x86_64
mutter-3.21.91-2.fc25.x86_64
xorg-x11-server-Xwayland-1.18.4-5.fc25.x86_64
Fedora 25</pre>
</div>
</p>
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