The addition of faction music in the upcoming 0.7a is probably my favorite audio feature in Starsector. Here’s a small video breaking down some of the music for the Hegemony faction, along with an explanation on how reputation affects the soundtrack.
The new version is, once again, not save-compatible. This is likely to be the case with new releases for the foreseeable future – things are simply changing too much at this point. On the bright side, I don’t think any mods are incompatible with this version, though they’ll probably need some rebalancing.
You can download the new version using the buttons below. You’ll have to reinstall the game, but shouldn’t need to enter the activation code again.