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

Chargepoint API 1.51.0

Chargepoint API – 1.51.0

1.51.0

Tests: passed (342/342)

Service

August 28, 2026

Chargepoint API – 1.51.0

Features

publish installer programme events (18aebaa)
publish canonical chargepoint readiness events (158d551)
emit readiness on session identity changes (cb5cc27)
expose session indicator model support (b27d829)

Bug Fixes

use device tenant for diagnostic trace history (a811587)

Performance & SLO

SLO Targets:

P95 < 200msP99 < 500msAvailability > 99.5%

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Performance Tests:

Passedstaging test

9/1/2026

P95: 99.9msP99: 203.2msHTTP errors: 0.08%Availability: 99.92%83,616 requests

HTTP statuses: 0: 66 · 200: 83,550