What's New1.6.4 - Subscription API – 1.6.4

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

OCPP API 2.18.2

Ocpp API – 2.18.2

2.18.2
Tests: passed (389/389)Coverage: 73.0%
Service
October 10, 2026
Tags
#ocpp-api

Ocpp API – 2.18.2

Bug Fixes

  • security-events: store chargers' SecurityEventNotification events (c08e6d8)
  • auth: customer End Users drive only the chargers they hold (5ccd953)
  • security: never store or log credentials pushed to chargers (8b8a780)
  • deps: replace backoff with a local retry helper (369a7e6)
  • deps: clear the October RustSec advisories (0a50d1b)

Features

  • commands: refuse CustomerInformation for a 1.6 charger as unsupported (dc06e30)

Performance & SLO

SLO Targets:
P95 < 200msP99 < 500msAvailability > 99.5%
Loading performance data...
Performance Tests:
Passedstaging test
10/20/2026
P95: 20.3msP99: 49.2msHTTP errors: 0.00%Availability: 100.00%101,343 requests
HTTP statuses: 200: 101,343
Passedstaging test
10/16/2026
P95: 64.4msP99: 90.0msHTTP errors: 0.00%Availability: 100.00%98,800 requests
HTTP statuses: 200: 98,800
Passedstaging test
10/13/2026
P95: 170.5msP99: 215.2msHTTP errors: 0.01%Availability: 99.99%87,796 requests
HTTP statuses: 0: 6 · 200: 87,790