HexLands from Portgate Studios has been announced with a new Steam page live, taking inspiration from the likes of Islanders, Dorf Romantik and Sid Meier's Civilization.
Cities: Skylines 2 is on the way but Paradox and Colossal Order aren't done just yet with Cities: Skylines. Multiple new content additions were just announced.
The Wandering Village, a very unique city-builder set on the back of a giant creature recently had a major update that added in gamepad support which also helps Steam Deck too.
Circle of Kerzoven appears to be one I missed that was pointed out in December last year, as an interesting looking settlement building game that simulates a whole lot of things you need to keep an eye on.
Songs of Syx is a fantasy city-builder that in many ways could be compared with Dwarf Fortress, only with a graphical style that's just a bit more modern. A new Beta release went up recently and it's another big one.
Paradox Interactive and Colossal Order have launched a new mini-expansion with Cities: Skylines - Financial Districts, along with another free update for all players.
The Wandering Village from Stray Fawn Studio, a game about building a village on the back of a massive moving creature has just entered Early Access with Native Linux support.