The previous record holder was the Progress M-17 ship. He spent 1993 days in orbit in 1994-337. But Progress MS-14 will need to be in orbit for at least 367 days. And he has already bypassed the record of his predecessor.
Progress MS-14 was launched on April 25, 2020. It is now docked to the Zvezda module of the ISS Russian Segment.
In 2021, Progress MS-17 and Progress MS-18 will be launched into orbit. Also in the fall, the launch of the specialized Progress M-UM spacecraft with the Pryhal nodal module is to take place.
In general, freighters are used to deliver crew cargo, fuel, oxygen, air and drinking water to the ISS.