or displayed plots, uses PyQt5, if available, otherwise PyQt4<br />
	 </li>
<li>Addition of pyferret.FerFMRCDSet and pyferret.FerFMRCVar objects</li>
</ol><p> </p>
<p class="secHeader">New features in Ferret and PyFerret</p>
<ol><li><b>On-the-fly Union aggregations</b> define a virtual dataset that contains the union of variables in the member datasets. When a set of variables in different files are on the same grid, a virtual dataset containing all of the variables may be defined with DEFINE DATA/AGGREGA