Beta 7 is out, here is what it fixes.
Joystick Window and Nose-Wheel steering issues addressed.
Fixed rain and snow effects when the sim is paused.
3-D Cockpit Fixed for Airplanes with large Panels
Plugins: overriding nav needles works even if nav frequency is not tuned to a VOR.
Improved performance on nvidia cards on OS X.
Shadows no longer jitter with shaders on.
Shadows correct for the R22-beta.
Removed plugins that were accidentally included with beta 5.
Cockpit lighting fixed.