I just discovered that my wifimanager setup is no longer working, when I changed my wifi password I discovered I am unable to change the settings in any of my devices (it fails to save the new info.). So that was fun 
I think it is since the latest version of wifimanager?
I have changed over to using hieromon/AutoConnect which I find is much easier to use and so far seems to be working great. It has some easy to understand documentation also where as Wifimanager seems VERY complicated.