NVIDIA has issued an updated proprietary Linux graphics driver in their 319.xx driver series. The NVIDIA 319.32 Linux graphics driver release brings with it some new hardware support and features.
The newly-supported hardware by this morning's 319.32 Linux driver release is the new GeForce GTX 760 graphics card, which was just released today. Also now supported is the GeForce 720M mobile GPU.
Other changes for the 319.32 Linux driver are various bug-fixes and imprroving the appearance of tearing for RandR 1.4 Source Output on Kepler GPUs. There's also a new "Prefer Consistent Performance" PowerMizer mode within the NVIDIA Settings area for supported Quadro hardware.
More details on the changes found in the Linux 319.32 driver release can be found at NVIDIA.com