https://freeciv.fandom.com/wiki/Multiplayer_II_Dragoon_Summa...
And this giving an overview of the development up to that point:
https://freeciv.fandom.com/wiki/Multiplayer_II_Navigation_Pa...
It's not stuck in 1990. Actually rather fun to play against humans, AI still meh.
https://freeciv.fandom.com/wiki/Multiplayer_II_Dragoon_Summa...
And this giving an overview of the development up to that point:
https://freeciv.fandom.com/wiki/Multiplayer_II_Navigation_Pa...
It's not stuck in 1990. Actually rather fun to play against humans, AI still meh.