From
Until
Update 0.6.15.1 will happen 28 December; preparation begins at 06:00 CET until 07:30 CET (UTC+1). The game will be unavailable during this time (1.5 hours).    General Changes: Winners of the Clan Battles Season have been added to the loading screen of the "Hotspot" map Added "Hotspot" achievement to the game (Rank among the top 16 clans in the Clan Battles Season) Added New Year pictures for combat missions, challenges and events Added start and end dates for Campaigns Returned old indicators of Hydroacoustic Search and Surveillance Radar Fixed issue with incorrect direction of torpedo launch Fixed a bug due to which it was possible to mount “Defensive AA Fire Modification 1” on battleship Duke of York. If the modification was installed it will be sent to storage
  Start of “Battle of the North Cape” Campaign Missions: 2nd mission -  25 December 3rd mission - 30 December 4th mission - 04 January 5th mission - 09 January