Lance Stroll suffered a "battering" in and out of the car as he failed to score any points over the last five races, says Racing Point technical director Andrew Green.
Formula 1's support championships will run at separate events during the 2021 season as a cost-cutting measure.
The addition of the Saudi Arabian Grand Prix to the 2021 F1 calendar has prompted criticism over the regime's human rights record.
McLaren team principal Andreas Seidl says the team must focus on maximising its qualifying pace to stand the best chance of beating their rivals to third place in the constructors championship.
Mercedes will "be leaning on technological solutions to try and have our celebrations" amid the pandemic, following their seventh constructors championship victory.
In the round-up: AlphaTauri strategy key to second-best 2020 finish • Mercedes launch STEM diversity initiative • LMP2 horsepower reduced for 2021