Moving the output of the number of squads and ships on each side from the debug/prototype location in the lower right into a more permanent position interleaved with the sidebar.
May not seem like a big deal, but it cleans the overall look up substantially, and concentrates all the UI's data on "what is here?" into one area of the screen. Well worth the 40 minutes to do; whether it's worth 40 of your minutes to watch depends entirely on which particular ways you are crazy
Resulting state of the UI is at
34:32 .
Interesting note: all of this work was in the external C# and the XML, so it's a good example of the sort of things a modder can do to the UI.