Game is very good, story is interesting, no bugs in my playthrough, mechanics too complex.
There are many worlds you can visit (or read about) and encounter various phenomena. Companion stories are ok, some more or less interesting, but overall its good. Choices I think matter, and towards the end, when you meet yourself, you get a glimpse of what world would look like if you did other decisions :) There is a lot of depth, but also a lot of reading, only beginning has voice acting.
I didnt encounter any bugs, that I know of, game didnt crash, there was no story blockers or major issues that for example made me skip content or make decision I didnt wanted. I think game mechanics are the most buggy, but I'm not sure anyone fully understands it :D
Difficulty, its hard for me to judge, maybe a little bit to easy. On daring I was eliminating half of the enemy team, before they could do anything. Maybe its intended and gives player feeling of great power, or maybe I know what to expect from Owlcat. I think I was wiped only once.
There is a lot of content.
100% recommend if you played previous Owlcat games and liked them, or you like warhammer, or RPGs, or sci-fi.
I'm becoming a fan of Owlcat games.