PTB BETA "Dancersizing, Grey & Hopeless" mostly fixes small bugs, improves small details and improves GetChar support on Windows Vista+, matlab -nojvm and octave. * GetChar, CharAvail, FlushEvents and ListenChar now (ab)use keyboard queue functionality on setups where use of Java based GetChar et al. is ineffective or impossible: This should enable good support for Windows Vista/7/8, matlab in -nojvm mode, and GNU/Octave in CLI and GUI mode. * Minor fixes and improvements to PsychPortAudio, Screen, IOPort, PsychGPUControl and M-Files. * CRS OptiCal support by Andreas Widmann.