Preview10 Jul 2026
A picture says a thousand words....
More exciting news from our visual department as they work on V2!
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Updates
Stay up to date with new releases, aircraft development progress, previews, and official CSS Software news.
Preview26 Jun 2026
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.
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Preview16 Jun 2026
CSS News - June 16, 2026 - Immersive Audio Soundpack Preview
Immersive Audio is previewing an all-new high-fidelity sound package for the CSS 737 Family, planned as a free update for all users.
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Development31 May 2026
CSS News - May 31, 2026 - Almost there!
We're almost there!
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Community30 May 2026
CSS News - May 30, 2026 - A New Era
Welcome to the first step of A New Era for CSS, starting with an all-new website with a sleek design, clearer information and an all-new Knowledge Base and Support Center!
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Release19 Mar 2026
CSS 737-500 v1.9.0: SimBrief import, virtual crew, and custom sim events
This release adds CO RTE import from SimBrief, virtual crew features, new cockpit details, and a long list of system fixes.
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Development14 Mar 2026
Next CSS 737-500 update enters final testing
The next 737-500 update is in final testing, with feature details held until release.
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Preview16 Jan 2026
737 Classic V2: cockpit and exterior previews
New WIP previews show V2 cockpit, wing, Krueger flap, and fuselage modelling progress.
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Release11 Jan 2026
Version 1.7.8: flight-model fixes and new liveries
Version 1.7.8 brings flight-model, FCC, VNAV, TCAS, N1, and livery fixes through CSS Launcher.
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Release31 Dec 2025
Version 1.6.41: new launcher, native MSFS 2024, and engine ratings
A major CSS 737-500 update with native MSFS 2024 support, a redesigned launcher, livery-specific engine ratings, flight model changes, and major system fixes.
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Community24 Dec 2025
Holiday message from CSS Software
A short holiday note from the CSS Software team.
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Preview28 Nov 2025
737 Classic V2: new WIP previews
New work-in-progress previews show continued visual-model progress for the 737 Classic V2.
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Development21 Nov 2025
Community feedback, launcher redesign, and product direction
A broad community-feedback and development update covering the launcher redesign, product direction, and upcoming work.
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Development19 Sept 2025
Systems work, new liveries, and 737-400 modelling
A development update covering systems work, new liveries, sound progress, and 737-400 modelling.
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Release10 Sept 2025
Version 1.5.5: engine performance and system fixes
Version 1.5.5 brings engine performance improvements and several system fixes.
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Preview29 Aug 2025
Horizontal stabilizer, throttle quadrant, and RMI previews
A preview update covering horizontal stabilizer work, throttle quadrant details, RMI fixes, and 737-400 exterior modelling.
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Development22 Aug 2025
Steady progress on systems, modelling, and sound
A development note on current systems, modelling, and sound work for the CSS 737 Classic.
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Preview08 Aug 2025
Model previews and engine tuning
A development update covering model previews, engine tuning, and upcoming fixes.
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Release01 Aug 2025
Version 1.4.6: MSFS 2024 test build, winglets, and SimMarket
Version 1.4.6 adds experimental MSFS 2024 support, winglets, eyebrow windows, and SimMarket availability.
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Development23 Jul 2025
Eyebrows, winglets, SimMarket, and navdata work
A development update on eyebrow windows, winglets, SimMarket availability, Navdata fixes, and sound work.
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Development12 Jul 2025
MSFS 2024 testing and system fixes
A development update covering MSFS 2024 testing, modelling/texturing progress, and electrical/system fixes.
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Release08 Jul 2025
Version 1.2.2: PayPal support, EIS fixes, and FCC work
Version 1.2.2 adds PayPal support and fixes around EIS gauges, FCC logic, and cockpit visuals.
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Development04 Jul 2025
PayPal, EIS, cockpit lighting, and LNAV work
A development note covering PayPal preparation, EIS fixes, cockpit lighting, AIRAC/Navdata issues, and LNAV work.
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Release06 Jun 2025
Version 1.1.3: paint kit, performance, and exterior model fixes
The first CSS 737-500 update adds the paint kit, performance improvements, exterior model changes, and system fixes.
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Community15 May 2025
Pre-release developer stream
CSS 737 presentation, flight, and Q&A stream.
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