If you want to use old version save file, load your save game and press [import landscape] button in system tab.
Trader sales tools and paints in productive housing menu.
Three system option added.
CPU thread dedicated to landscape loading - set this value 1/3 of your total thread.
the more dedicated thread, the less frame drop when camera angle and location changed.
Landscape sight range - set this value 6 if you fulfill recommended PC spec.
VRAM useage - If you have low texture resolution problem, change this option. never set this value more than 80% of graffic card RAM
You can export landscape in system tab.
If you click that button, game remake LandscapeVoxel.sav file in save folder so that you can import landscape from old save file or upload to mod community.
Housings cant be exported for now. I will add that option about a month later.