I welcome the improvements on the engine to allow for better graphics and what I see so far looks great.
For the map screenshots, the only thing to consider is making some things a little darker, things like polder or stream.
For the new special markers, first I do not get why the circles & squares, do they serve any purpose?
Next the marker obstacle looks too close to the minefield markers, if a unit would occupy such a hex it would look like a zero strength minefield underneath that unit, there definitely needs to be a different color used.
And for the position markers, what is seen here is nice but having just the letters be seen under a unit doesn't help much in getting the differences of the positions. Especially new player will still scratch their heads and wonder if now a pillbox or a bunker is better. Jisons 4 dots are pretty bullet proofed in that aspect and maybe something similar could be used.
For the German coloring, not sure what the problem is with using classic colors but Jison is gain my choice here. Look at the screenshot:
You see light gray for Wehrmacht, dark gray for SS, light blue for Luftwaffe. Where is the problem using this with the new graphics?