The latest thing I can find about a hotfix for the Companion multiplayer crashing bug is from a couple of days ago when they tweeted that a fix was “being tested”, but I can’t seem to find anything else. Is there any communication on this, or some kind of update somewhere?
No news just yet. 
My fire team is going on hiatus from the game until it’s fixed. We’ve beaten the content, and doing the dailies is getting annoying because base spawning is still pathetically slow, plus the 7 base quest exists. So, we’re going to take a break from playing. We enjoy GenZero, but it’s unplayable in this state.