Release v2.1.0-rc.1 (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker) · particle-iot/device-os

Device OS 2.1.0-rc.1 Release Candidate (LTS) is available in the Web IDE, Particle Workbench and Particle CLI for (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker).

released on April 15th, 2021

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

[Cellular] Send modem firmware version to the cloud as part of the system describe message #2265
Network.isOn() and Network.isOff() APIs to query the network interface power state #2205
[Electron] Proactively attempt to recover from a number of failed cellular registration states #2301

[Cellular] Update ICCID/IMSI to APN map with a new Kore ICCID prefix #2276
[B5 SoM / Quectel] Improve warm and cold boot behavior #2300
Update Workbench dependencies #2299
Improve I2C reset procedure to be less destructive and issue STOP condition as soon as possible #2303
[Cellular] Perform PMIC/FuelGauge/RTC I2C bus reset on boot to avoid accidental writes after a non-graceful reset #2303
[Argon] Reduce cloud keep-alive timeout to 25 seconds from 30 seconds #2304
[Electron] Build system parts with LTO enabled #2235
Upate MbedTLS to 2.22.0 #2117
[Gen 3] Ethernet FeatherWing power state management #2258

[Gen 2] Fix D0 alternate-function being unconditionally reset when calling Serial1.end() #2256
[Boron / B SoM] Fix external SIM getting stuck in initialization #2263
[BLE] Return false in BlePeerDevice::getCharacteristicByDescription() if expected characteristic was not found #2266
[Gen 3] Fix UART DMA RX transfer size issues causing DMA writes outside of the RX buffer #2264
[Gen 3] Fix ChannelStream::waitEvent() timeout calculation #2267
[Gen 3] Use PIN_INVALID when initializing SPI peripheral to avoid overriding the pin mode of the default CS pin on reinitialization #2275
[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
Fix Particle.unsubscribe() not preserving system subscriptions #2293
Querying the value of an empty string variable causes an error #2297
[Gen 3] Add workaround for Nordic nRF52840 anomaly 219 (TWIM: I2C timing spec is violated at 400 kHz) #2303
[Gen 3] Fix micros/millis/unixtime becoming non-monotonic 2a4fcb82b #2303
Fix the issue that the Particle.disconnect() doesn't clear the auto-connect flag #2306

Startup SLO automated tests #2277 #2274
Allow clearing session data and running custom setup code in integration tests #2280