Different teams handle communication differently.
Since Wiz is gone, the Stellaris team has been communicating almost exclusivly through dev diaries and the occasional prerelease Q&A/feature stream.
There is nothing new to release right now, so we will probably hear very little of them in the next months. Just like we did after the last two patches.
Which, I think, isnt a very good strategy for stellaris. Its the most early access like game they have next to maybe imperator (which works better from a technical perspective but is also still going through in depth reworks of its core mechanics) and those types of games seem to do a lot better when there is an active back and forth between the players and the devs.
Im okay with EUIV just being EUIV until they update it again. It works fine like it is and Im sure it will work fine in the future.
But for something like Stellaris, where huge parts of the game still have giant question marks written all over and core mechanics are just "Work in Progress" broken, it would really be nice to have some more insights into what they are working on and what they think has to be fixed primarily and where they think the game will be in a year or two. It would just make me feel less like an owner of a broken but still sort of fun product and more like someone participating in the journey towards stellar greatness :>
But then again, I'm not a game designer, so if they think making the game work behind close doors is the better call then they can do it their way.