Released: Multi-Throttle Support for IL-2

[TheGrunch]

Originally Posted by MikkOwl

But either way, no idea when 4.10 will come, and if it will feature throttle support when it comes, and most likely it would not feature differential braking, radiator and fuel mixture.

Hopefully April, very likely yes, and maybe you should ask Viikate about the last part. Holding down the brakes and using rudder pedals creates a differential-braking effect already, as far as I'm aware.
You really should put a DT pic in your signature, Viikate.