A very annoying fact is that the dude can not be used to upgrade RoS devices, one of the major reason we have it beside its nice ability to monitor devices.
Currently we do not know what to do about it, it is no option for us to sit upgrade devices manually one by one. One option would be to make some ssh+scp+key solution with a script going around updating routers, but the concept of The Dude is broken as for now.
To change monitoring program for us is not a simple task, and it would not solve the upgrade operations anyway.
I am sure mikrotik boys/girls have their reason to change something that broke this upgrade function, but it is bad for us and will cost us lot of money so we decided to freeze further patching.