The NVIDIA 185.18.36 driver update brings a few fixes. This Linux x86/x86_64 driver now has a kernel panic fix that affected some NVIDIA mobile GPUs when starting the X Server, an interaction problem fix between VDPAU and PowerMizer, and a VDPAU fix to avoid display preemption. Download links for the NVIDIA 185.18.36 driver can be found in this thread.
The NVIDIA 190.xx driver series for Linux is currently under development and most notably it brings support for OpenGL 3.2. The NVIDIA 190.25 driver update just brings fixes and no additional features, but it now supports rejecting video modes based upon DisplayPort bandwidth to fix some corruption issues, an initialization fix for some NVIDIA mobile GPUs, a workaround for an X Server bug, and a nvidia-settings crash fix when displaying GPU information with Xinerama. The NVIDIA 190.25 beta Linux driver can be found in this thread.