X3: Terran Conflict v1.2.1 patch notes:

- Enabled mouse control in external view mode
- A whole new mission to scan for valuable asteroids
- When a target is lost, the nearest enemy is targeted automatically
- Added SETA button in the HUD
- Improved mouse support in menus, particularly in the sector menu
- Animated sector map rotation when changing axes, smoother zooming animation
- In Comms menu player choices are available immediately
- Updated graphics in universe map and messages
- New sound effect for Trans-Orbital Accelerators
- New sounds played when missions end
- Added notification when trying to collect something with full cargobay
- Improved boarding crew functionality
- Several new in-game tips
- Added various script commands to the script editor

Various minor bugs have been addressed and fixed as well.