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 Core V2.1 2.32.3

OCPP Core V2.1 – 2.32.3

2.32.3
Tests: passed (650/650)Coverage: 43.8%
Service
October 10, 2026
Tags
#OCPP Core v2.1

OCPP Core V2.1 – 2.32.3

Bug Fixes

  • ocppcore: answer a 2.1 TransactionEvent as 2.0.1 does, not with {} (6f5723a)
  • ocppcore: audit and reconcile 2.1 stations, on 2.1 (34969c9)
  • ocppcore: drop the three v201 queues bound to actions 2.0.1 does not have (72df676)
  • ocppcore: floor a station's audit generation at the current time (69bdec4)
  • ocppcore: refuse a station CALL under a CSMS action, on every version (192c18a)
  • ocppcore: stop translating Open/ClosePeriodicEventStream as commands (1831da7)
  • shared: Open/ClosePeriodicEventStream are station-initiated, not commands (6cb4d01)
  • ocpp-core: bound quorum delivery recovery (852763a)
  • ocpp: preserve station command delivery (f2ae2be)
  • ocpp: recover deliveries hidden before dispatch (603f865)
  • ocpp: recover stalled broker connections (cebf6bf)
  • ocpp: recover unacked command responses (a44f0f9)
  • ocpp: recover unacked request deliveries (d06dc4c)
  • ocpp: restart stalled delivery consumers (da190f6)
  • ocpp: use supported delivery recovery mode (5649eb0)
  • security: never store or log credentials pushed to chargers (443f6fc)
  • core: bound station publish confirmations (94b0297)
  • core: park a deferred message without the gateway's user_id (7818521)
  • firmware: dispatch and track firmware jobs for 1.6 and 2.1 stations (ba42141)
  • ocpp21: send and read the vendored 2.1 messages as the schema has them (2676070)
  • ocpp21: send UpdateFirmware in the schema's casing (2209173)
  • deps: clear the October RustSec advisories (033d973), closes cargo#10801
  • deps: replace the unmaintained backoff crate with a shared retry helper (6c8abac)
  • firmware: a device moved to another tenant no longer gets the old tenant's queued update (5b35db0)

Features

  • ocpp: CustomerInformation and NotifyCustomerInformation for the personal-data wipe (ea616cf)
  • core: stamp the AMQP user_id on the core's platform events (1414e0d)
  • firmware: carry the station's own firmware status on fw.device.status (1046d3b)

Performance & SLO

SLO Targets:
P95 < 200msP99 < 500msAvailability > 99.5%