Thanks for the feedback, we are always happy to hear what we can do better 
- Centralized Upgrade:
Great, but it would be very helpful to see the current ROS-version of every device in the device-list
We want to add this, but since we support 110+ vendors we need to properly implement this for all of them.
In the mean-time, there is a few ways to do this:
Use “Config Search”, tick “Regex” and search “#.+RouterOS.+”.
That will show you version of all devices.
Alternatively, to get it grouped by version, you can create a “Mass Config Push” preset with:
/system resource
:put [get version]
If you run that across your network, you will get devices grouped by version, which is probably even more useful than seeing it in the table 
- Backups
Backups do not contain passwords/keys. There should be an export AND a real backup.
The only thing not included is “/user”.
So only username/passwords used to access the router are not backed up, everything else is.
This is actually good for security.
- Passwords
Passwords should NOT be visible as clear-text for operators
We want to add an option that would disable collecting sensitive data.
(some people want these in the backups, others don’t)
As I mentioned previously tho, we support 110+ vendors, so we need to add it across everything we support.
- Centralized Management
Mass config is good, but: Its hard to use it without the ability to use “objects”. One example:
This is definitely planned, and on the Roadmap.
Unimus has been in active development for over almost 3 years now, and we have had constant monthly releases for over 1,5 years.
Unimus is getting better constantly, so definitely expect things like this in the future 