4 Additional Flags have been added to the 0.7.2.0 client.
-Twitch – Presumably given to Twitch streamers for WoWS. Not sure on the exact details on how one gets this flag.
-Varyag – Premium flag for premium T3 cruiser Varyag, a new Russian cruiser.
-Kronshtadt – Premium flag representing T9 Russian cruiser Kronshtadt.
-Z-39 – Premium Flag for premium German T8 Destroyer Z-39