As loyal PC Gamer readers will know, Tamriel Rebuilt is the noble Morrowind modding effort to create every region of the game that Bethesda didn't make itself. Even after nearly a quarter-century, there's still plenty of the province to get to, and the project's current "optimistic" estimated time of full completion is 2035.
You might think, then, that its team would be laser-focused on that and nothing else. You think this because you lack their heroic and Promethean spirit. Instead, a contingent of the Tamriel Rebuilt devs—plus a few pals—has just put out the first expansion in their other project: an effort to make Cyrodiil (the setting for Oblivion) in Morrowind's rickety 2002 confines that adheres to the vision of the province presented in that game, which Oblivion decidedly did not.