There's the big update, obviously, but there is one detail that i noticed. If you go to the Crypto room, the blocked doors in the corner can now be opened and destroyed. They are still blocked thou...
I'm just thinking that since Labs was also expanded next to the portal after excavations, they would expand it in the future to other places e.g. those manhole covers linking to the underground facility.
@CrazyPlays54 The manhole covers are definitely a part of the giant underground network, but for this season I think they'll act more like a loot vault. (I.E. A separate area.