Updates

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

CSS News - May 31, 2026 - Almost there!
DevelopmentMay 31, 2026

CSS News - May 31, 2026 - Almost there!

We're almost there!

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CSS News - May 30, 2026 - A New Era
CommunityMay 30, 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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CSS 737-500 v1.9.0: SimBrief import, virtual crew, and custom sim events
ReleaseMar 19, 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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Next CSS 737-500 update enters final testing
DevelopmentMar 14, 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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737 Classic V2: cockpit and exterior previews
PreviewJan 16, 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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Version 1.7.8: flight-model fixes and new liveries
ReleaseJan 11, 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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Version 1.6.41: new launcher, native MSFS 2024, and engine ratings
ReleaseDec 31, 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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Holiday message from CSS Software
CommunityDec 24, 2025

Holiday message from CSS Software

A short holiday note from the CSS Software team.

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737 Classic V2: new WIP previews
PreviewNov 28, 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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Community feedback, launcher redesign, and product direction
DevelopmentNov 21, 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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Systems work, new liveries, and 737-400 modelling
DevelopmentSep 19, 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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Version 1.5.5: engine performance and system fixes
ReleaseSep 10, 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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Horizontal stabilizer, throttle quadrant, and RMI previews
PreviewAug 29, 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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Steady progress on systems, modelling, and sound
DevelopmentAug 22, 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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Model previews and engine tuning
PreviewAug 8, 2025

Model previews and engine tuning

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

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Version 1.4.6: MSFS 2024 test build, winglets, and SimMarket
ReleaseAug 1, 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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Eyebrows, winglets, SimMarket, and navdata work
DevelopmentJul 23, 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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MSFS 2024 testing and system fixes
DevelopmentJul 12, 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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Version 1.2.2: PayPal support, EIS fixes, and FCC work
ReleaseJul 8, 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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PayPal, EIS, cockpit lighting, and LNAV work
DevelopmentJul 4, 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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Version 1.1.3: paint kit, performance, and exterior model fixes
ReleaseJun 6, 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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Pre-release developer stream
CommunityMay 15, 2025

Pre-release developer stream

CSS 737 presentation, flight, and Q&A stream.

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Updates | CSS Software