New Orion Revolt Mod:
StartShips.txt
Initial reports tell me that this mod does work post code patch.
The New Orion starting fleet has been doubled. This causes them to go bankrupt at around turn 17, inciting a revolt. This currently only seems to work on Easy difficulty. The end result of a NO revolt is a new Elder civilization which acts like a normal race, i.e. without the NO hard-coded limitations.
If you do not wish to play against the NO revolt, all you need to do is play at a higher level of difficulty.
Turn off senate victory condition before you start your game, or you will be facing the end of game before turn 100. You have been warned.