"Computers Hall 3.21" release:

Histogram of rating of popularity of used client processes. Convenient way to understand how popular one game rather than other one. Histogram is drawn under the process name as a red line.

Possibility to hide Client2.exe (or its path) from client process usage statistics. Can be done in "security parameters", " other" tab.

Control of the printers - DMCS spooler format support.

You don't have to change client parts when upgrade to a new version.