I too am having crashes. Luckily mine don't happen too often and I can sometimes play for 4+ hrs with no crash. But since 2.1 I am getting occasional crashes out of the game for the first time and worst of all I had a BSOD. BSOD's scare me and they need to be fixed asap.

Windows 7 64 bit
CPU INTEL CORE I7 4770K
Motherboard: SABERTOOTH Z87 LGA1150
Graphics Card: GIGABYTE GV-N770OC-4GD GTX 770
Memory: GSKILL F3-1866C9D-16GXM
SSD for Operating system: Samsung EVO
HDD for game: WD Black Series 1TB