Source: http://worldoftanks.ru/ru/content/docs/release_notes/

Official translation will most likely come tomorrow, so just for your information, what will 9.0 bring:

- historical battles (Kursk, Balaton, Ardennes)

- HD models (T-34/85, T-54, Maus, Tiger I, Panther, Sherman, Hellcat, M103, Centurion 7/1, Tortoise)

- changed the maps Malinovka, Serene Coast, Steppes, Redshire, Mountain Pass, Severogorsk, Pearl River

- changed the regular and premium hangars

- fixed the FPS drop on Widepark map

- added new graphic settings window

- reworked the graphic setting automatic mechanism

- added the “dynamic resolution” option

- added the FOV setting

- added the option to regulate the intensity of color filters

- added the option to set the screen frequency

- added the possibility of the turret flying off after ammo rack explosion

- added the new fullscreen sniper mode (can be disabled in settings)

Vehicles

- added new vehicles: Panzer IV Ausf.A (tier 3), Panzer IV Ausf.D (tier 4), StuG Ausf.B (tier 4)

- added the SU-85I premium Soviet TD to the premium shop

- British BESA MG penetration changed from 25 to 27mm

- if you had the StuG III unlocked, you will have StuG III Ausf.B unlocked with all the modules

- StuG III name changed to StuG III Ausf.G

- size of Panzer I, Panzerjäger I and Bison changed slightly

- HD reworked tanks had their armor models changed

T7 Combat Car

- maximum forward speed changed from 38,6 to 56 km/h, reverse from 16 to 20

- .50cal M2 ROF increased by 22 percent

- ammo carried changed from 1100 to 1350

- penetration changed from 25mm to 27mm

Panzer IV

- name changed to Panzer IV Ausf.H

- added side armor screens

- removed the Maybach HL108TR engine

- repair costs reduced by 3 percent

- maximum speed nerfed from 48 to 40 km/h

- depression for the 105mm nerfed from 7 to 5, for L/43 from 8 to 7 and for L/48 from 8 to 6

- removed the 50mm and 75mm L/24 guns

- stock turret view range changed from 330 to 340m

- hitpoints increased by 20 (460 to 480 elite)

Other changes

- removed the “confrontation” mode in random battles

- soundtrack (musical score) was remastered

- added language indicator on login screen

- added new rewards for team battles

- fixed the bugs in the “Vehicles” tab of the “Achievements” window

- reworked the “Statistics” tab of the “Achievements” window

- changed the conditions for Steel Wall

- term “potential damage” changed to “damage stopped by armor”

- fixed bugs in voicechat system

- fixed the bug where aim circle in replays didn’t display correctly

- fixed small bugs in replay recording

- fixed the bug where artillery shells fell outside of aim circle

- fixed the bug where artillery shells exploded in mid air

- fixed the freezing of the client when quitting the game

- improved the performance of the game on certain configurations

- optimized the drawing of decals and motion blur effect

- fixed the bug where FPS dropped sharply when track traces were enabled

- fixed the render of shadows and vegetation on medium and high settings

- changed the notification windown in the hangar

- removed the table with tank tiers in the battle queue

- added the “ammo rack empty” message when you are out of ammo and press F8

- changed the autoaim targetting point

- optimized the list of required tanks in the Missions window

- amount of reports per day increased from 5 to 10

- changed the complaint reason names

- fixed some bugs in mission window

- fixed some bugs with sounds of autocannons firing

- fixed the bug where the track traces disappeared or flickered

- fixed the bug where in some cases, the traces of shells hitting a tank were missing

- fixed the bugs where wrecks “slightly moved” after the tank destruction

- fixed the bug where the “refreshing” wheel appeared every minute in hangar

- fixed the display of the “in depot” icon when removing permanent camo, bought after 8.11

- fixed the display of XP amount in the mouseover window over modules or tanks in the research window

- in the “Vehicles” tab, fixed the display of statistics of medals, recieved in team battles

- fixed the bug where the Abrams medal was awarded with delay or not at all

- fixed the vehicle winrate number rounding

- fixed the connection to the voice chat in the training room after restarting the client

- fixed the display of shell tracer beyond the maximum shell range

- added dynamic spotting point for the gunner (SS: not sure what that means)

- fixed the saving of the camera distance after leaving the battle

- HE shells do not explode anymore when hitting a tankist crew, that is “peeking” outside of the tank (open-topped vehicles)

- fixed the company filter (by the name of the commander)

- fixed mistakes in description of some medals

- added dynamic light sources to shooting effects

- reworked the volume of the engine and suspension sounds

- added the effect of flying dust after shooting

- fixed shooting effects on some tanks