v2.2.0-rc.1 (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker)

Device OS 2.2.0-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 June 24th, 2021

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

---

2.2.0-rc.1

FEATURES

• [Boron / B SoM / Electron] Support for SARA R410 05.12 modem firmware #2317 #2319 #2318

ENHANCEMENTS

• [Gen 3] Remove XIP support for accessing the external flash #2302 #2321
• Trigger a compiler error when a function returning a value does not do so #2323
• [Argon] Cache ESP32 MAC address in persistent storage to improve boot-up times #2327
• [Cellular] Add CellularSignal::isValid() and CellularSignal::operator bool() APIs #2212

BUGFIXES

• [Gen 2] Fix unexpected network connection establishment after exiting sleep mode when only Network.on() was called #2309
• [Gen 2] Fix unexpected network connection establishment when the modem or WiFi initialization failes, but only Network.on() was called #2309
• [Photon / P1] Make sure to close all sockets when deinitializing WICED WLAN connectivity subsystem #2313 #2321
• [B5 SoM / Tracker] Fixes external flash DFU definition on in bootloader to use 4KB sectors 399b8a0 #2321
• Fix non-MBR-based bootloader updates #2327

INTERNAL

• Add an integration test to validate network/cloud connection time SLOs #2312 #2320 #2321
• [ci] Fix MarkupSafe weirdness #2317
• Add .bundleignore for Workbench Device OS source code bundles #2326
• Manage GCC dependencies with .workbench/manifest.json d94f08030

System Binaries (all devices)

https://github.com/particle-iot/device-os/releases/download/v2.2.0-rc.1/[email protected]

---

Programming and Debugging

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