- junction boxes, sonar monitors, navigation terminals and engines break down if they're underwater long enough
- reactor cools down if it's underwater
- job-specific gear are grouped by job in separate .xml files
- new oxygen and welding fuel tank sprites
- more reliable method of checking that the sub can pass through the level
- moved the name of the highlighted item to the bottom of the screen
- changes to drowning/suffocation logic (oxygen-value drops/rises at a fixed rate depending on whether there's enough oxygen available, instead of effects "stacking")
- using mersenne twister for random number generation due to differences in Mono and .NET implementations of the Random library
- password prompt for password-protected private servers
- fixed deconstructor, fabricator and railgun connection panels closing immediately after opening
- fixed editor saving newly created subs to the root folder instead of the Submarines folder
- keeping items in the same inventory slots between clients instead of just syncing which items are in the inventory
- fixed crashing when swapping items between different limbslots
