Truck City v0.49 has just been released. This is the change log:

• Improvement: tutorial 1 made clearer by adding marks on the map
• Improvement: Close button added in tutorial window
• Improvement: new factory icons added for Alt mode
• Improvement: minor performance and memory usage optimizations
• Improvement: scroll speed for middle mouse button drag adjusted (reduced)
• Improvement: when building factories on mines, now the tooltip text for factory construction is shown instead of the resource information one