There are several fixes and enchancements that are included in this update (some of which you will not even have tried yet), the main ones of which are:
- added support for more joystick models
- fixed random CTD on entering a sector
- voice and audio syncronisation fixed
- performance optimisations including reduced memory consumption and shader enhancements
- gamestart position modified to improve trading options at the start
- complex construction of factory positioning improved
- Tool tips added to assist in learning the menu Icon System
- added ability to scroll menu bars with mouse
- docking made easier, plus additional docking guide added
- plot gameplay significantly improved in key game parts
- cut scenes re-produced, re-directed and optimised
- added content for infostation help dialogues

For your reference, a further 1.3 update will follow in mid-November. Along with various minor issues, this is planned to make a large further optimisation for memory usage that will again significantly improve performance over 1.2.