Assignments

  Rubrique fixes.

Chat

  Fix bug (in some cases user chat text was not displayed)

Exercises

  Dynamic selection of questions with criteria (with difficulty or/and from category)
  Questions shuffle (better handling).
  Exercise Preview.
  Better administration in exercise questions.

Teleconferences

 Better handling of teleconferences (distribution algorithms)
 More administration options.

Statistics

 Better user statistics reports      

User Authentication

 Fix small bugs

General

 New course format (`wall` format)
 Update TinyMCE to version 4.9