The Igora Drive circuit near St Petersburg will replace Sochi Autodrom as the home of the Russian Grand Prix from 2023.
Alpine have announced Esteban Ocon has signed to the team through 2024, ahead of his home race at the French Grand Prix.
Lando Norris has extended his deal to drive for McLaren after signing a new “multi-year” agreement.
Williams have announced an expansion of their technical co-operation with power unit supplier Mercedes, whose gearboxes they will use from 2022.
Renault has confirmed its Formula 1 team will be known as Alpine from next year and teased a new blue colour scheme for its cars.
Fernando Alonso will return to F1 with Renault. He is believed to have agreed a two-year deal.
Max Verstappen has extended his contract to drive for Red Bull. The 22-year-old has signed a new three-year deal to remain at the team.
Charles Leclerc will remain at Ferrari until at least 2024 after signing a contract extension with the team.