“On September 1, 2019, the Sheremetyevo International Airport launches the third runway (WFP-3),” RIA Novosti reports from the airport’s press service.
It was previously reported that the new strip was supposed to start functioning in the spring of 2019. It was reported that it will work with restrictions, but the Ministry of Transport denied this information https://russian.rt.com/russia/news/591325-mintrans-ogranicheniya-vpp-sheremetevo.