v3.0.0-rc.2 (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker)

Device OS 3.0.0-rc.2 Release Candidate is available in the Web IDE, Particle CLI and Workbench for (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker).

Released on March 16th, 2021

See documentation about Device OS versions, their current state, upgrades and downgrades here.

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3.0.0-rc.2

FEATURES

• [Cellular] Battery presence detection when charging is disabled #2272
• Increase the maximum DTLS packet size and payload of the cloud primitives #2260

ENHANCEMENTS

• [Cellular] Update ICCID/IMSI to APN map with a new Kore ICCID prefix #2276
• Disable some of the elliptic-curves not in use to save flash space #2273
• [Cellular] Update LTE signal strength/quality parameters (RSRP/RSRQ) mapping to percentages #2285
• [Cellular] System power management improvements #2272
• [B5 SoM / Quectel] Improve warm and cold boot behavior #2300

BUGFIXES

• [Gen 3] Use PIN_INVALID when initializing SPI peripheral to avoid overriding the pin mode of the default CS pin on reinitialization #2275
• [Argon / Tracker] Make sure that ESP32 NCP power state is correctly initialized on boot #2279
• [Electron] Increase AT+COPS timeout to 5 minutes #2281
• [Electron] Fix Sleep 2.0 APIs taking up to 10 minutes to power-off the cellular modem while it's attempting network registration #2284
• [B5 SoM / Tracker] Fix warm boot sometimes requiring modem reset #2289
• [Gen 3] Fix micros/millis/unixtime becoming non-monotonic when RTC overflow event occurs 2a4fcb82b

INTERNAL

• Startup SLO automated tests #2277 #2274

System Binaries (all devices)

https://github.com/particle-iot/device-os/releases/download/v3.0.0-rc.2/[email protected]

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Programming and Debugging

You can view specific programming and debugging notes for this version of firmware here.