Updates

Stay up to date with new releases, aircraft development progress, previews, and official CSS Software news.

CSS News - June 26, 2026 - Freighter Previews!

CSS previews the upcoming 737-300SF and 737-400SF freighters, including conversion choices, cargo-door differences, and a broad base livery pack.

Immersive Audio is previewing an all-new high-fidelity sound package for the CSS 737 Family, planned as a free update for all users.

New WIP previews show V2 cockpit, wing, Krueger flap, and fuselage modelling progress.

New work-in-progress previews show continued visual-model progress for the 737 Classic V2.

A preview update covering horizontal stabilizer work, throttle quadrant details, RMI fixes, and 737-400 exterior modelling.

A development update covering model previews, engine tuning, and upcoming fixes.