50 is a reasonable value. Failing to do so can result in a major perforamnce decrease. All windows are positioned with a coordinate system based at the lower left corner of the window relative to the lower left corner of the display. Full screen windows should be placed at 0,0. This is currently only availble with the UNIX versions.
Many bug fixes that include fixing some bad memory references.
Pinch glove driver is now supported and has a digital simulator. Applications no longer need to pass a kernel instance to their VR Juggler App super class. The vjApp class will get a vjKernel instance on its own if none is provided. If, however, a kernel instance is provided and it is NULL, a fatal error will still occur. SoundManager is available to abstract sound functionality for cross platform audio.