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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Delay on touchpad mouse input with tapping enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98844">98844</a>
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<th>Summary</th>
<td>Delay on touchpad mouse input with tapping enabled
</td>
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<th>Product</th>
<td>Wayland
</td>
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<th>Version</th>
<td>1.5.0
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
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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>medium
</td>
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<th>Component</th>
<td>libinput
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<th>Assignee</th>
<td>wayland-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>main.haarp@gmail.com
</td>
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<pre>Hello,
I'm using libinput 1.5.0 on X11. My Synaptics touchpad works, but experiences a
noticeable delay on cursor movement when tapping is enabled. This is
reminiscient of #89206, which is marked as fixed.
This delay makes fine cursor movement very difficult for me. The synaptics
driver which I've been using before does not exhibit this behavior. I wonder if
it uses different algorithms or just uses more aggressive thresholds.
Decreasing DEFAULT_TAP_MOVE_THRESHOLD TP_MM_TO_DPI_NORMALIZED fixed this issue
for me. I found that I need to lower it to at least 0.5 for the delay to become
unnoticeable. 1 was not enough.
Are there any objections to making this the default? I doubt I'm the only one
who experiences it. Or maybe it could be exposed as a property?
Thanks!</pre>
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