I wanted to put this in an "Entrenchment" category, but there isn't one. I felt weird sticking it under "Beta" as there is no longer a Beta. Feel free to move this to the appropriate area.
At any rate, in Entrenchment, I no longer get an "attack warning" when I'm being attacked. There I am, dropping down a civ lab, conducting research, doing whatever, and I just happen to scroll out and see that I've been under attack for the last 3 minutes at some far-flung system, and I've never been notified about it. This happens to me time and time again, and it happens to my friends I play online with as well. It happened to me all last night, the entire time I was playing.
Has anyone else noticed this? Do the devs need to be made aware of it with a "formal bug report" of some kind?