Originally published at: Device OS 4.2.0 LTS is now available - Particle Changelog
Device OS 4.2.0 LTS is now available with bug fixes and improvements:
- Lowers power consumption on R510 cellular devices (BRN404X, B404X, and E404X) when idle and in sleep with cellular standby mode.
- Fixes a bug that can caused serial data received by a Gen 3 device (Boron, B Series SoM, Argon, or Tracker) to be lost.
- Adds 64-bit support to Logging, sprintf, JSON, and other locations.
Full release notes for this Device OS release can be found here.