Mundfish will release new content soon.
The creators of Atomic Heart continue to tease the fourth addition to Atomic Heart. Its name has not yet been revealed, but they have shared a little about the plot of the DLC:
Hand in hand, amidst the grinding of metal, the Nechaevs enter the final confrontation with HRAS, who unleashes all the robotic power of Enterprise 3826 upon them.
This DLC No. 4 for Atomic Heart will be the last DLC and will conclude the story of the first part. The release date has not yet been announced.