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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - LibreOffice - calc - specific xlsx document (almost) any operation (FILEOPEN, FORMATTING) takes about 1 min"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=128812">128812</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>LibreOffice - calc - specific xlsx document (almost) any operation (FILEOPEN, FORMATTING) takes about 1 min
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>LibreOffice
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>6.3.2.2 release
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

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

        <tr>
          <th>Status</th>
          <td>UNCONFIRMED
          </td>
        </tr>

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

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

        <tr>
          <th>Component</th>
          <td>Calc
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>rob_g@interia.pl
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Description:
Problem appears rather for one specific document (which I own - see "Additional
Info"). Other documents are processed quite ok. I can deliver the file to you
if this would help, just write me an e-mail.

Steps to Reproduce:
1. Just open document
2. any changes inside document such editing, filters customizastion etc. 
3.

Actual Results:
any operation takes about 1 min.

Expected Results:
imediate reaction


Reproducible: Always


User Profile Reset: No


OpenGL enabled: Yes

Additional Info:
Preconditions
there is a document that was created in MS Excel (xlsx)
It looks to be that there are special features of the document to be used to
get the efect. The most likely one is "automatic color backgrund gradient based
on values of set of cells"
Environment:
CPU: i5-8300H
Drive: SSD -M.2 - ~1TB/s
RAM: 12GB
PC: Lenovo IdeaPad 330-15</pre>
        </div>
      </p>


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