What's New1.8.0 - Auth API – 1.8.0

PlugStream Change Logs

PlugStream is continuously updated to improve reliability, security, and user experience. This page provides a transparent record of every software and firmware release, including what changed and why it matters.

Latest

PlugStream Firmware 1.31.1

PlugStream Firmware 1.31.1

1.31.1Stable
Recommended for production deployments.
Tests: passed (414/414)
Firmware
July 26, 2026
Supported devices
#PlugStream 7
#PlugStream 22

PlugStream Firmware 1.31.1

Bug Fixes

  • meter: derive charged energy and outlet power from V_rms x I_rms (469b6c6)
  • robustness: close Math.hpp ODR trap and clock sentinel-at-zero collision (3de1be4)
  • bluetooth: raise nimble_host task stack to 8KB to stop provisioning reboots (a86031e)
  • ci: validate release authentication (e1aa1f4)
  • csms: fail back to primary CSMS and restrict OCPP versions to supported (b9526e8)
  • evse: clear stale transient PEN faults (e778917)
  • led: require live CSMS connection for blue standby (da496e5)
  • ble: enable WiFi/BLE software coexistence and harden provisioning radio paths (c50c661)
  • safety: fail-safe thermal protection on sensor fault; stop silent event drops (5acb026)
  • watchdog: watch the safety-critical runtime loop and reboot on WDT trip (9660bb6)
  • wifi: harden credential, timer and DNS-task lifecycles (40b684f)

Features

  • telemetry: emit idle temperature heartbeat, OCPP-tunable cadence (5104d16)
  • add dual-CSMS network profile fallback (58dbcdb)
  • installer: add installer.forgetWifi DataTransfer command (afe4b59)