A few thousand troops keep a low-key presence, but with western attention fitful, how long for?

Twenty years after Nato ground troops first entered Kosovo at the end of a 78-day aerial bombardment, 3,500 troops from the military alliance remain on the ground in the fledgling nation where the conflict is still yet to be definitively settled.
Today, the 28-country Kosovo Force (Kfor) acts largely as a “third reserve” after the local police and the EU, although there is one exception where Natotroops guard the 14th-century Serbian Orthodox monastery at Dečani.

See at: https://www.theguardian.com/world/2019/jun/12/nato-marks-20-years-kosovo-kfor-serbia