WinXP windowed mode bug has been fixed; GEAR, RPM, STAB parameters have been removed from spectator view; Client stability has been improved. 

Firefly F Mk I has been fixed according to data sheet, ammo load for Hispano Mk II cannon now 145 and 175 rounds for internal and external weaponry respectively. Ammo will be added to the X-ray view in one of the nearest updates. (...)

A bug where occasionally an APHE round would either not penetrate or the resultant explosion caused little spalling effect has been fixed.; Client stability has been improved.

We introduced new economic changes to War Thunder for Realistic Battles, Simulator Ground Forces battles, and the Assault (PvE) modes.

Missions - Balance changes. New section for decals “Nose art” has been added. Client stability has been improved.

Client stability has been improved.

A bug when the chassis of some aircraft was not displayed correctly in spectator mode has been fixed. A bug when components of the wing (aileron, flaps) of some aircraft were still being displayed when the wing had been separated in spectator mode has been fixed. (...)

Click here to check full list of changes.

Client stability has been improved. 

A bug in WinXP when a game was launched in a full screen mode instead of windowed mode has been fixed; A bug when at 4k resolution damage model indicator icon was too small has been fixed.

[Ground Strike] - Grave Robbers' Cliffs - a bug where vehicles were moving across mountains has been fixed.; A bug in Naval Battles event when an aircraft in the vehicle preset required repairs after the end of the battle has been fixed.; M5A1 5th arm.div - unlockable camos have been added.; Cobra King - unlockable winter camo has been added.

Interface bug fix, changes in "Assaut" Co-Op mode, client stability has been improved