They work on Gears of War and Gears of War spin-offs. Just like 343i works on Halo and Halo spin-offs.So The Coalition Just hiring Only For Gears Of War And that mean they Don't Work on New IP
https://thecoalitionstudio.com/#Join-Us
The Coalition is working on Gears of War 5 and helping with the 2019 Gears spin-off I'm pretty sure.