A new Gamestudio update is available for a public beta test:

http://server.conitec.net/down/gstudio_8400.exe

New features of Gamestudio 8.40: augmented reality, cloth simulation, 3D mode for beam and streak effects, improvements for lite-C and the map compiler, and many new or improved engine functions. A detailed list can be found here:

http://manual.3dgamestudio.net/newfeatures8.htm

Install the update over your Gamestudio 8.30 version. Please report any problems to the bug forum.