Lewis Hamilton returned to test for Mercedes for the first time since he stunned the team by confirming he will leave at the end of this season.
Red Bull team principal Christian Horner is expected to face a hearing into allegations over his conduct on Friday.
Sauber plan to sustain the impact of their vivid new colour scheme through its first season competing under the identity Stake.
The final place on the grid for the new Formula 2 season has been taken by Taylor Barnard, who will drive for PHM.
Alexander Albon has stressed he is committed to his current team despite a vacancy opening up at front-runners Mercedes next year.
Although Sauber did not present the new C44 at their launch yesterday, the team has revealed the first details of its latest design.
In the round-up: New Williams carries tribute to team founder • Singapore to review grand prix deal • Dunne steps up to F3
Lewis Hamilton's move to Ferrari for 2025 has been hailed as a positive development for the sport by the strategist behind many of his wins at Mercedes.
