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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - CALC Row operations over 100 times slower in 7.2 compared to 7.1"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=144155">144155</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>CALC Row operations over 100 times slower in 7.2 compared to 7.1
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>7.2.0.4 release
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </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>dlynch1319@googlemail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Description:
Row operations (eg hide rows or insert->side cells down very very slow.

Steps to Reproduce:
Open new spreadsheet, in the name box, enter something like 
A43:AMJ1048576
Then "Hide rows"

Steps to Reproduce:
1.Open new spreadsheet, in the name box, enter something like 
2.in the name box, enter something like 
A43:AMJ1048576
3. "Hide rows"
or 
Select cells -> Insert -> Shift cells down

Actual Results:
Select cells -> Insert -> Shift cells down almost instantaneous in 7.1.4
92 seconds in 7.2.0.4.
Status bar shows "Adapt row height" ... but row height in the shett is fixed.

Expected Results:
As actual results


Reproducible: Always


User Profile Reset: No



Additional Info:
Same behaviour in safe mode.
Version: 7.2.0.4 (x64) / LibreOffice Community
Build ID: 9a9c6381e3f7a62afc1329bd359cc48accb6435b
CPU threads: 4; OS: Windows 10.0 Build 19043; UI render: Skia/Raster; VCL: win
Locale: en-GB (en_GB); UI: en-GB
Calc: threaded
Supersedes <a class="bz_bug_link 
          bz_status_REOPENED "
   title="REOPENED - "Hide Rows" causes Calc to hang CALC UI"
   href="show_bug.cgi?id=144131">bug 144131</a></pre>
        </div>
      </p>


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