New visualization for minimum requirements for buildings was introduced. Now you can see what is needed to construct a particular building. Buildings which require another building cannot be queued anymore.
All players can now resolve all prerequisites and requirements without actually leaving the production screen. Previously you had to do it in separate windows
Your chat messages have been made more recognizable to you. They are more distinguishable and have their own color.
Some issues with mixed translations were resolved so that two languages do not appear on one server.