Long War Studios, the fellers wot brought you the Long War mod for 2012's XCOM reboot, are replicating those actions for the sequel. A rebranding has led to the team calling itself Pavonis Interactive, and its official site mentions both Long War 2 and its Kickstarted original creation, Terra Invicta.
If you're unfamiliar with the Long War mod, here's a primer: bigger squads, more of a focus on fostering an entire roster of soldiers instead of picking favorites (due to fatigue and injury systems), a much longer, grueling campaign, and all sorts of new weapons, classes, and skills. Many of these ideas were picked up by Firaxis for XCOM 2 proper, which Pavonis helped provide mods for at launch.
I quite liked XCOM 2 despite numerous performance issues even on a beefy computer, and it's been long enough that I'll inevitably get sucked back in with this mod. According to the official XCOM site, we'll know more in the coming weeks.... read more