After upgrading Jenkins to v2.222.1 reports with sortable columns are no longer sortable.
I have noticed that now a different CSS stylesheet is loaded when one inspects the table headers.
The CSS for elements with class="sortheader" is now loaded from http://yourJenkinsServer/static/98e8fbe5/jsbundles/base-styles-v2.css
while previously was loading from
http://yourJenkinsServer/static/166f2f84/css/style.css