tomorrow, 8.5.2014, a minipatch 9.0.3 will be activated on EU, RU and ASIA servers. This patch will “bring a series of changes in the mechanics of discounts and missions”.
Edit: Official info from WG support page
This patch is made to help those who are facing issues with game performance due to inappropriate graphical settings in the client.
The goal of this patch is to detect players who are experiencing low FPS (less than 20) and propose them to adjust their graphical settings