As was pointed out in the forums
, new binary NVIDIA Linux drivers were pushed out today. The new version is the 285.05.09 pre-release.
Among the changes in this new NVIDIA proprietary driver for x86/x86_64 Linux is GeForce GT 520MX support, support for X.Org Server ABI 11, and various bug fixes. Among the bug-fixes are ones that deal with causing some applications to hang on exit, flickering, ION issues, poor OpenGL performance after monitor hot-plugging, and text corruption.
The download links for the NVIDIA 285.05.09 pre-release are in the aforementioned forum thread.