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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Logitech K400+ double tap on touchpad is problematic"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=106720">106720</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Logitech K400+ double tap on touchpad is problematic
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Wayland
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>libinput
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>wayland-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>errolbury@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=139846" name="attach_139846" title="some system outputs">attachment 139846</a> <a href="attachment.cgi?id=139846&action=edit" title="some system outputs">[details]</a></span>
some system outputs

I have a Logitech K400 Plus
<a href="https://assets.logitech.com/assets/54246/wireless-touch-keyboard-k400-plus.png">https://assets.logitech.com/assets/54246/wireless-touch-keyboard-k400-plus.png</a>
It was previously working as expected on KDE neon 5.12
(which is currently based on Ubuntu 16.04 LTS)
Prior to neon I was using Xubuntu 17.04 and then moved to Kubuntu 17.04
(again, this device was working on those distros as expected)

On Kubuntu 18.04 however on the touchpad...
I noted that a double tap results in a single click
attempting to select a portion of text--obviously--does not do as expected
attempting to click an item on System Settings does nothing; have to use the
Enter or button key

However, the left-click and right-click button keys work as expected
so currently there are workarounds and ways to compensate...

Possible duplicates
<a href="https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1762536">https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1762536</a>
<a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Logitech K400: double tap on touchpad is filtered by debouncing code"
   href="show_bug.cgi?id=105974">https://bugs.freedesktop.org/show_bug.cgi?id=105974</a>
<a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Logitech K400: double tap on touchpad is filtered by debouncing code"
   href="show_bug.cgi?id=106534">https://bugs.freedesktop.org/show_bug.cgi?id=106534</a></pre>
        </div>
      </p>


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