QuikQuak has announced version 2.81 of RaySpace.
New features since 2.7:

Sound ray visualiser. Watch the sound traverse the rooms with a time changable dial
Scattering algorithm enhanced, with fewer ray losses, and greater random behaviour
Reset factory preset function
Stereo width effecting dry signal bug fix
Updated manual screens, and small GUI changes
Dry signal bug fix
Crash fix on some Mac [...]

QuikQuak has released the RaySpace 2.1 VST plug-in, a 3-D acoustic simulator.
This reverb introduces a new engine that lets the characteristics of the room shape, height, positions and materials be adjusted in real-time. Combined with the 3D view and the parametric equaliser, the user is given the complete audio and visual feedback of room designs.
With [...]