There's another Warhammer 40,000 game! This one's turn-based strategy game Warhammer 40,000 Battlesector, due out May 2021 on PC. A console version for PlayStation 4 and Xbox One is due out in the summer.
It's published by Slitherine (Warhammer 40,000: Gladius - Relics of War, Warhammer 40,000: Sanctus Reach and Warhammer 40,000: Armageddon), and is developed by Black Lab Games, maker of the well-received Battlestar Galactica Deadlock.
The teaser trailer is below (warning, the music is awful):