This update focused on long-term stability and streamlining the engine for future DLCs:

: For technical users, the OMSI 2 SteamDB page tracks every build change, including minor patches that might follow the main 2.3.004 branch. Critical Post-Update Tip: The 4GB Patch

OMSI 2 Update 2.3.004 Download & Update Guide: Latest Improvements

Since version 2.3.004 is considered the final, "complete" version, current "updates" generally refer to DLC (Downloadable Content) or community add-ons, not core engine changes.