Pc_building_simulator_it_expansion_update_v1.15... (2026)

: Fixed illumination bugs in the third workshop and removed incorrect textures on the ceilings of the third and fourth workshops.

: Addressed a critical bug that could lead to save file corruption when switching workshops or managing a high volume of save files. PC_Building_Simulator_IT_Expansion_Update_v1.15...

: Improved controller input reliability, particularly fixing issues where inputs would disappear after accessing the "End Day" menu. Save File Integrity : Fixed illumination bugs in the third workshop

: Added the EraTech Open Plan Productivity Suite , a free new workspace for players. Save File Integrity : Added the EraTech Open

Subsequent patches like and v1.15.3 followed shortly after to further refine Steam Deck compatibility and resolve remaining UI issues with the IT Expansion and Esports DLCs.

This "double drop" of content introduced over from various manufacturers:

: Dozens of adjustments were made to cable routing (e.g., 24-pin and fan cables) to prevent them from clipping through case panels or other components in popular cases like the and be quiet! Pure Base 500 .