Posts from Factions, races, and towns. Auto-translated

I keep thinking... that somewhere, we missed something, and the possibilities are just around the corner =)
We have NCF, NAF, NHCF – all these frameworks delve into the .Exe file and change some lines so that the game can recognize additional information.
After that, we add additional information in types.xml.

Does anyone know how many attempts there have been to add a new race (faction/city)? Were there any, and what paths did previous pioneers take? What did they fail at or get stuck on?
There's almost no information about this. How is it possible that everyone decided it's impossible and nothing can be done about it?
Here are some mentions I found in types.xml

__RACE_COUNT is a counter... the idea is that if you add something between RACE_STRONGHOLD and __RACE_COUNT, increasing the value of the latter, the game should crash, and you can then examine the crash address to see which register it's accessing...