The "Perfom Pending Action" doesn't work in NC and it's been this way since i remember. Using version 2.9.93.0 at the moment, but it has been this was for many months now.
If i create a new note definition, when i already have 100 of them with notes, i will have to reset all of them and then start all over just to get that one note definition i just created to populate. When clicking the "Perform Pending Action" it gets stuck like the image below: