If you are curious about the changelist of the X3: Terran Conflict patch 2.1, here it is:
– The functionality for the game to continue running while in windowed mode or minimised
– Smarter Universal Traders and Mobile Miners
– Improved marine information
– A fix for lazy sector patrols
– A new mission to buy local asteroid information
– Many interface tweaks
– Several issues fixed
Also, this patch 2.1 adds extra content like the Treasure Hunt story mission, large Crystal Fabs, plus a big performance boost. In other words, a nice patch for the fans of the game. And if you don’t have a Steam copy, you can get the latest patch here.