What's New2.2.0 - Ocpp API – 2.2.0

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

Firmware API 1.4.0

Firmware API – 1.4.0

1.4.0
Tests: passed (173/173)Coverage: 6.9%
Service
January 7, 2026
Tags
#firmware-api

Firmware API – 1.4.0

1.4.0 (2026-01-07)

Bug Fixes

  • add v1 alias for performance test (1ce56f2)
  • align device.tags with postgres json column (7fc8e1f)
  • allow platform global to query tenant_global devices (3402557)
  • allow platform/global device validation for tenant_global devices (7df4a23)
  • cast rollout device status enum for fw.device.status (f8778f4)
  • enable distribute preview + sync tenant changes (0e25617)
  • events: consume fw.device.status from ocpp core (bab1af5)
  • handle duplicate model mappings in firmware uploads (7626af1)
  • prevent allow request from downgrading rollout status (6134b8e)
  • releases: persist groups_any as json (817c98d)
  • return device_count in groups list (edc48f6)
  • rollouts: make rollout device index unique (de12cbc)

Features

  • add cohort preview endpoint (e4db7c1)
  • add delete cancelled rollout endpoint (9f42460)
  • Add endpoint to list devices for tenant (6c88ee5)
  • allow SKU-based model mapping for compatibility (63b6d12)
  • enrich rollout responses with product and version labels (77218ae)
  • firmware: add rollouts list endpoint (1c49515)
  • populate rollout cohort totals and canary (a1a18ef)
  • retention: delete withdrawn firmware objects after 7d (e26594f)
  • rollouts: add stats REST and SSE endpoints (da0b082)
  • rollouts: enroll devices and execute via rabbitmq (2f2fae0)

Performance & SLO

SLO Targets:
P95 < 200msP99 < 500msAvailability > 99.5%
Latest (Last 7 Days):
P95: 140.3msP99: 285.2msAvailability: 99.82%
Worst (Last 7 Days):
P95: 140.3msP99: 285.2msAvailability: 99.82%
Loading performance data...
Performance Tests:
Passed
2/24/2026
P95: 140.3msP99: 285.2msErrors: 0.18%
Passed
2/20/2026
P95: 132.9msP99: 264.9msErrors: 0.08%
Passed
2/17/2026
P95: 82.3msP99: 159.8msErrors: 0.03%
Passed
2/13/2026
P95: 59.4msP99: 140.3msErrors: 0.04%
Passed
2/10/2026
P95: 59.7msP99: 149.3msErrors: 0.00%
Passed
2/6/2026
P95: 77.7msP99: 151.0msErrors: 0.03%
Passed
2/3/2026
P95: 76.6msP99: 151.4msErrors: 0.00%
Passed
1/30/2026
P95: 73.7msP99: 153.6msErrors: 0.05%
1.4.0 - Firmware API – 1.4.0 | PlugStream Change Logs