Mostly a Cavalry update but also some other things.
The first image is the Francs-tireurs, French Partisans, civilian resistance, after the fall of the second empire they became a lot more organised and started getting uniforms, but before that they were a lot more irregular. They also can have a top hat which isn't shown there.
Now for the Cavalry.
And here is a medic of the International Red Cross, available to both sides.
You can also now block while in firearm mode.