Some users are experiences this when navigating to Lists and then Constituents in RE NXT the page is initially blank for a minute or so then loads. Once loaded if a user clicks on Clients to edit columns the entire page freezes, appears to only be impacting Constituent Lists.
We are currently evaluating this issue and will update this article with further information.
Steps to Duplicate
While logged into RE NXT click on Lists.
Click Build, Open a Saved List, or Start with a Static Query.
Screen will go blank for a while and then load.
Once loaded click on a Constituent Record to edit columns.