Then you have no interest in the pricing plan of the Duplicati Console.
Your only interest is in the free-and-open-source Duplicati client itself.
Aside from possible bugs (new releases usually fix bugs but can add new ones),
there shouldn’t be any intentional limitations. Maybe the developer can reassure.
How about you look at the release notice? Here are the highlights of the change:
and below that there are details. The change surprise some people trip on is the new password, although if you open the browser from the TrayIcon you might see no difference because no password is needed for that case. Other uses see this more.
The first problem you may see is the recent discovery that updating from 2.0.7.1 doesn’t work right, so just go to the Downloads page yourself to get the software.
That’s the one suitable for most Window systems. Install if release note looks OK.
Downgrade from 2.1.0.2 to 2.0.8.1 is available if you need it. 2.0.8.1 is a smaller jump from 2.0.7.1 than 2.1.0.5 is (therefore less chance of any technical surprise).