-the access to the toxins cabinet in the medbay is now restricted and only medics and the captain can open it

About the submarine:
-the docking hatch wasn't connected to the navigation terminal, but now it is and works
-more medical material were stored in the medical cabinet by default

About the drone:
-the drone height was adjusted for better locomotion inside of it
-a new pump was installed in the drone engine room to drain any water there after its launch
-the drone bottom hatch now works
-price adjusted (it is cheaper now)