CohhCarnage praise the game for being one of the best he's ever played but he did note that act 3 made the game feel unfinished and that the quality dropped significantly compared to act 1.

I'm hoping they'll address the missing content but realistically we shouldn't expect everything to be restored. I'm personally hoping for

Avernus
Upper City
Ethel's Coven - We were told they were going to come for us yet they never did.
Better resolutions for Karlach
Minthara actually having content in act 3 and bug fixes for her if she's still bugged.
More companion dialogue restored for act 3
Epilogues
Consequences for using the tadpole