I know the software developer toolkit isn't getting much attention but we're still using it succesfully here.
However, on a very recently created Visual Studio solution, connecting to Dynamics 365 online, as of a couple of days agao, when we right-click on the 'Plugins' node in the CRM Explorer, nothing happens, which means we are not able to view the Plugin Assemblies, add Images, add steps, etc.
This has only just starterd happening in this solution, and does not happen in other solutions.
The diagnostics pane does not show any errors, just this: