Update: We have released Power Prompter 1.4.3 which fixes the issues mentioned below. The update is now available from our website and should be available soon via the App Store.
Even though our Sierra tests with Power Prompter were all positive some users reported the following issues with macOS Sierra:
So far these are the only issues reported. If you find something not on this list please let us know!
We should be releasing fixes to this problems very soon!