A new update for Borderlands 2 is rolling out on PC and PlayStation 3 now and Xbox 360 soon, containing bug fixes and support for upcoming content including the character customizations that can be unlocked by playing the upcoming Poker Night 2.
Details on the update for each platform can be found below:
PC Update Information
Xbox 360 Update Information
PlayStation 3 Update Information
For help and support with Borderlands 2, visit support.2k.com or support.gearboxsoftware.com