Device OS 6.4.0 is now Generally Available and the default for new device setup. This release has been validated with 18,000+ devices in production.
What’s new in 6.4.0?
Environment Variables support for Gen 3 + Gen 4
- Adds device-level environment variables so you can change configuration without updating firmware
Faster startup with EARLY_INIT
- New hook to run code earlier in the boot process, reducing startup time for time-sensitive apps
AM1805 RTC integration
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First-class support for the AM1805
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Enables RTC, watchdog, and ultra-low power timing capabilities for designs that include it
Power management improvements
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Introduces power-off sleep mode
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Supports ultra-low power and shipping mode use cases
Bug fixes
Fixes across connectivity, system behavior, and peripherals
Find the full release notes on GitHub: Device OS 6.4.0 release notes