Device OS 6.3.3 brings important updates to Gen 3 and Gen 4

Particle Updates
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Originally published at: Device OS 6.3.3 brings important updates to Gen 3 and Gen 4 - Particle Changelog

Device OS is 6.3.3 now “Generally Available,” continuing our dedication to the stability of the Particle platform. It is the default Device OS on setup.particle.io for Gen 3 and Gen 4 devices.

We recommend updating to 6.3.3, especially if you use:

  • Bluetooth on Gen 3 devices

  • Wi-Fi on Gen 4 devices

What’s New:

  • RTOS Stability: Critical memory barrier updates from our upstream vendor ensure proper real-time OS functionality.

  • Gen 4 Wi-Fi Fix: Resolved a pointer issue that could cause instability during Wi-Fi use.

  • Bluetooth Crash Fix: Discovery actions will no longer auto-read the MTU and trigger crashes.

  • Crash Backtrace in Vitals: Crashes are now logged with detailed backtraces to aid debugging.

See Release Notes here.

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