Work in progress, constructive ciricism more than welcome!
are what I consider very important
User Interface
Team chat in gameroom(only general and game??)

cyrillic characters support

PlayerStats viewing with a click
chatrooms by language
Automatch/player ranking
Observer mode (optional)

Replay system

Clan games/ranking
Audio and Graphics
artillery whistle
audio clues (infantry radioing when under fire)
map beacon audio warning
Gameplay and Balance
Direct control: ability to move unit relative to the unit pov
(WASD like in FPS allows strafing)
Trench digging (with the shovel)
ingame Tab to see players with score and ping

Severly wounded soldiers crawl or not able to sprint
New units
Germany: Goliaths remote bombs
USA: paratroops, sherman crocodile, incendiary mortar rounds
Soviets: komissar (effects to be determined), c4 strapped attack dogs
British: paratroops, aerial reconaissance expensive call in
Japan: ?