Just some random ideas for new units I'd like to see and on how they could be implemented into the game:
Death Troopers, from Rogue One. The imperial equivalent of the Alliance Rangers, greys start at 9 points, 3 man group, possibly two green attack with an automatic hit and a surge to activate the "deadly" ability.
Shore Trooper, essentially a trooper version of an officer, but a bit braver, so instead of cower, an ability that lets friendly troopers reroll defense dice, and an order.
Partisan Fighters, from Rogue One, giving the mercenaries a new trooper/spy unit, reflecting that they operate outside of the Alliance.
Rebel Dish Turrent Operator- a heavy weapon/ guardian unit, basically a guy with a data pad on a 2x2 large base with the Hoth defense dish. Works much like the E-web, with tripod, assault and speed 2. Maybe more surge focused than damage natural damage focus.
Saw Gerera- in Rogue One he helps the rebels, but is too extreme to be a part of the alliance, so probably make him a rebel ally in campaign, and a mercenary in skirmish.
Unique groups for the factions, Must be earned like villains, cannot be reinforced nor redeployed, but have powerful abilities and have multiple figures within the group.