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