In case you missed the Space Engineers New Multiplayer - Public Testing with Marek Rosa, Developers & Community YouTubers:
Beginning of stream/gameplay footage
https://www.youtube.com/watch?v=6YSyy1Eh-VY
Continuation of stream/Q&A with Marek Rosa:
https://www.youtube.com/watch?v=18zJGcsRQM4&t=898s
*We had internet issues😉