Head over to the FSE development thread to read the changelog of everything the development team has done to Blood and Iron since they started working on version 3 in January.
For your enjoyment, here's a picture of some of the user interface changes in work.
Wait...throwing bayonets? :p
It's the icon that shows when you kill someone with a thrown rifle, but having a full rifle on the icon wouldn't look too great :P
you can throw rifles??
wait, how would you you get killed by electricity in NW?
Might be the icon for players 'slayed' by Admin.
Will Russian Empire in this amazing mod?