What's new:
• large-scale system optimization;
• improvement of internal algorithms;
• partial design improvement;
• new exercise "Time Counting";
• a rating system for exercises was introduced;
• the results window for exercises has been improved;
• improved history of passages for exercises;
• new background selection system;
• new cursor selection system;
• improved interface color editor;
• new achievements have appeared;
• a new section "Games" (DLC Brain Games);
• new section "Printing" (DLC Brain Print);
• seasonal events (DLC PBT-Events);
• improved the "Tests" section (DLC Brain Test);
• tests has appeared (DLC Brain Test);
• fixed some bugs in the questions (DLC Brain Test);
• added several new tests (DLC Brain Test);
• improved tips for mastering the program;
• partially improved translation;
• fixed a large number of errors;
• increased reliability of the program;
• many small improvements.
