The schedule for next season hasn't been announced yet but riders are signing new deals and switching teams.
The biggest news is Jonathan Rea moving to Yamaha from Kawasaki where he won 6 consecutive championships (2015-20).
Toprak has switched from Yamaha to BMW.
And Sam Lowes has moved from Moto2 to the Marc VDS Ducati team.
Andrea Iannone returning to racing in 2024
I never thought he would return after he got his 4-year doping ban, but The Maniac has signed a deal to race a Ducati in World SBK next year. His ban is ending mid-December 2023.
https://us.motorsport.com/wsbk/news/iannone-secures-world-superbike-seat-with-go-eleven-ducati/10534086/