Unreasonable Rocket has been busy:
Fear
Preparations
First Tether Flight
Masten isn't competing this year, but they have in the past and who knows about the future? Here's a note on their new web look: Briefs: Mojave rocket town; MSS website - RLV News
Armadillo is competing, but this isn't about the LLC part of their work. It would give a distorted view of their efforts if I just included posts that are specifically on their LLC work, though. This one is a pretty comprehensive update from several team members: Armadillo update - RLV News