This is a small maintenance update.

Serious bugs

• Fixed an engine issue that could lead to invisible items after loading a game, or to the game crashing after switching saves.
• Fixed a physics glitch were objects were able to fall through the floor.
• Fixed a possible corruption of item positions after importing a save game into an active slot.
• Fixed a possible corruption of the game state by an undo action that changes the installed hardware.
• Fixed the zip importer that was not able to read zip files created on the Mac.

Clipping Bugs

• Fixed wrong reflection of the lamp in the water surface.
• Fixed wrong double reflection of the heater in the side walls.
• Fixed that plants and other items were partly rendered outside of the tank.

Other changes

• Fixed screen position of the oxygen concentration in the analyzer view.
• Fixed several typos and text appearance errors.
• It is no longer possible to select items while the main menu is active.
• Holding the space bar for quick select is now ignored when the main menu is active.