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title	What's Fixed

Fixed alarm handling of 'ack time', 'clear time', and 'display path'
Fixed a deadlock that could occur on rebirth requests or in certain startup scenarios
Fixed SecurityContext handling when not validating writes against a supplied security context
Fixed issue that could result in in-order history flushing not being honored when a Transmission server config is updated
Fixed NPE when alarm config contained unknown property
Fixed situations that could result in an 'unregistered' alarm
Fixed updating/unregistering a disabled Transmitter

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title	MQTT Recorder

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	AWS Injector

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title	What's New or Improved

Made disk-backed history store persistence location configurable
Added documentation property to info tags to describe each tag
Moved default H2 DB location for Windows from 'data' to 'user-lib'
Improved Exception handling when building BIRTHs to denote datatype mismatches
Added support for 'SendAllProps' to send all default tag properties in a BIRTH

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title	What's Fixed

Fixed dynamic handling of services after creating, updating, or deleting agents
Fixed issue that could result in startup or shutdown of wrong Kinesis endpoint on config changes
Modified JSON Metrics to always include a value even if it is null

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title	Azure Injector

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title	What's New or Improved

Made disk-backed history store persistence location configurable
Added documentation property to info tags to describe each tag
Modified python script APIs to not return private keys in plain text
Moved default H2 DB location for Windows from 'data' to 'user-lib'
Improved Exception handling when building BIRTHs to denote datatype mismatches
Added support for 'SendAllProps' to send all default tag properties in a BIRTH

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title	What's Fixed

Fixed dynamic handling of services after creating, updating, or deleting agents
Modified JSON Metrics to always include a value even if it is null

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title	Google Cloud Injector

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title	What's New or Improved

Made disk-backed history store persistence location configurable
Added documentation property to info tags to describe each tag
Modified python script APIs to not return private keys in plain text
Moved default H2 DB location for Windows from 'data' to 'user-lib'
Improved Exception handling when building BIRTHs to denote datatype mismatches
Added support for 'SendAllProps' to send all default tag properties in a BIRTH

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title	What's Fixed

Fixed dynamic handling of services after creating, updating, or deleting agents
Modified JSON Metrics to always include a value even if it is null

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title	EFM ABB Totalflow

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title	What's New or Improved

Added initial support for AAR Alarms

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title	What's Fixed

Fixed an issue with incorrect EFM device connection status when 2-hours trial expires

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title	EFM Emerson ROC

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title	What's New or Improved

No new features

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title	What's Fixed

Fixed potential migration issue with global TLP handling when upgrading from Ignition 7 to 8
Fixed an issue with incorrect EFM device connection status when 2-hours trial expires

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title	Opto22 groov EPIC and SNAPPAC Driver

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	v4.0.24 Sept 16, 2024

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title	MQTT Distributor

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	MQTT Engine

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title	What's New or Improved

No new features

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title	What's Fixed

Fixed Alarm handling to support clearing of alarms before acknowledgement

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title	MQTT Transmission

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	MQTT Recorder

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	AWS Injector

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	Azure Injector

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	Google Cloud Injector

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	EFM ABB Totalflow

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	EFM Emerson ROC

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	Opto22 groov EPIC and SNAPPAC Driver

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	v4.0.23 Sept 13, 2024

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title	MQTT Distributor

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title	What's New or Improved

No new features

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title	What's Fixed

Fixed issue that could cause Distributor to disconnect clients due to not receiving a PINGRESP even when data in still being received
Fixed socket close handling when no data is sent to support health checks

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title	MQTT Engine

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title	What's New or Improved

Added support for Alarm events via MQTT with Acknowledgments
Added ‘UNS Tag Tree’ support
Added ‘Delete UNS’ control tags to better support Edge Node deletion in UNS namespaces
Added info tags in MQTT Engine to better track the inbound message queue health
Added configuration option for inbound message thread pool sizing
Removed ‘URL validation’ is MQTT Engine that prevented duplicate IP/hostname definitions
Added support for Python system.cirruslink.engine.publish to take either a Server Name or a Server Set name
Added support for a configurable rebirth debounce delay instead of a hardcoded 5s

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title	What's Fixed

Improved thread/queue handling for inbound messages to prevent ‘rebirth storms’
Fixed issue where MQTT Engine ‘overrides’ UDT instance member properties if the user has manually modified the Engine side UDT definition member properties
Fixed Engine server set migration to create a server set per server definition from Engine prior to adding server set support
Fixed issue that could cause MQTT Engine to not properly publish rebirth requests in some cases

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title	MQTT Transmission

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title	What's New or Improved

Added support for Alarm events via MQTT with Acknowledgments
Modified RPC clients to only be one per server set
Added a configuration option to delay birth fetching to allow consumption of tag change events that may occur with timestamps before ‘now’ and birth fetching
Added support for handling of multiple metrics in NCMD and DCMDs
Moved payload logging from TransmissionClientManager to TransmissionClient

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title	What's Fixed

Fixed issue where MQTT Engine ‘overrides’ UDT instance member properties if the user has manually modified the Engine side UDT definition member properties
Fixed birth creation to reconcile the birth with tag change events during the birth building process
Fixed issue that could result in duplicate or incorrect generated aliases
Fixed issue that could cause Transmission to erroneously flush history when in-order after failing to publish a birth sequence
Fixed timestamp handling of Array, Document, and Dataset types now that Ignition resolved timestamp handling in Ignition 8.1.43
Added synchronization around RPC client startup/shutdown to prevent potential thread leak
Fixed escaping of table names in the disk-backed history store to support ‘-’ chars in Sparkplug IDs
Added/fixed support for null dataset values

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title	MQTT Recorder

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	AWS Injector

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title	What's New or Improved

Added a configuration option to delay birth fetching to allow consumption of tag change events that may occur with timestamps before ‘now’ and birth fetching

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title	What's Fixed

Fixed birth creation to reconcile the birth with tag change events during the birth building process
Fixed timestamp handling of Array, Document, and Dataset types now that Ignition resolved timestamp handling in Ignition 8.1.43
Fixed escaping of table names in the disk-backed history store to support ‘-’ chars in Sparkplug IDs
Added/fixed support for null dataset values

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title	Azure Injector

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title	What's New or Improved

Added a configuration option to delay birth fetching to allow consumption of tag change events that may occur with timestamps before ‘now’ and birth fetching

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title	What's Fixed

Fixed birth creation to reconcile the birth with tag change events during the birth building process
Fixed timestamp handling of Array, Document, and Dataset types now that Ignition resolved timestamp handling in Ignition 8.1.43
Fixed escaping of table names in the disk-backed history store to support ‘-’ chars in Sparkplug IDs
Added/fixed support for null dataset values

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title	Google Cloud Injector

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title	What's New or Improved

Added a configuration option to delay birth fetching to allow consumption of tag change events that may occur with timestamps before ‘now’ and birth fetching

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title	What's Fixed

Fixed birth creation to reconcile the birth with tag change events during the birth building process
Fixed timestamp handling of Array, Document, and Dataset types now that Ignition resolved timestamp handling in Ignition 8.1.43
Fixed escaping of table names in the disk-backed history store to support ‘-’ chars in Sparkplug IDs
Added/fixed support for null dataset values

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title	EFM ABB Totalflow

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title	What's New or Improved

No new features

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title	What's Fixed

Improved ABB CSV parsing to prevent edge case Exceptions
Fixed migration bug around CSV file handling
Potential problem when parsing @ROWLOOP @REPLACE with increment above 1

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title	EFM Emerson ROC

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	Opto22 groov EPIC and SNAPPAC Driver

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	v4.0.22 June 20, 2024

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title	MQTT Distributor

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title	What's New or Improved

No new features

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title	What's Fixed

Fixed connection issues with clients with no specified client ID
Fixed possible minor delay in processing QoS 2 messages
Fixed packet identifier warnings in log

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title	MQTT Engine

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title	What's New or Improved

Added support for 'server sets' to MQTT Engine to better support redundancy and more complex architectures
Added URL validation to server records
Added support for a Sparkplug 'device dataset' in Engine info tags to show all Sparkplug Devices
Cleanup/refinement of various info tags
Added config UI validation to Topic Token Filters
Added support for AWT Colors in DataSets
Added support for Array, DataSets, and Document tag properties

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title	What's Fixed

Fixed handling of the Primary Host State info tag when Engine is disabled and config changes
Fixed client connections to publish an LWT before unsubscribing from Sparkplug Topics
Fixed NPE in edge cases around Rebirth requests
Various fixes to UDT collision detection
Fixed STATE correction handling in redundant and multi-server environments
Fixed potential thread leak on shutdown of MQTT clients
Fixed the DEATH message handling so tags with null values are properly 'staled'

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title	MQTT Transmission

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title	What's New or Improved

Added URL validation to server records
Added a thread pool to hand off history store writes to keep data flowing smoothly out of Transmission
Added support for 'maximum history store size' to prevent history from overrunning memory or disk
Added support for AWT Colors in DataSets
Added a config UI validator to ensure PHID is set when file 'auto-publish' is enabled as it is required
Added support for Array, DataSets, and Document tag properties
Made the H2 TCP port configurable
General logging cleanup
Increated Transmission RPC clients to support 500 in-flight MQTT messages
General performance improvements to disk-backed history storage

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title	What's Fixed

Fixed History Store category headings in the config UI
Fixed handling of restarted tags to ensure they properly return to a good quality
Fixed issue that prevented proper publishing when child UDTs are deleted from a parent UDT and 'convert UDTs' is enabled
Moved history store on disk to the 'data' directory to better support redundancy and gateway backups
Fixed permissions issue that prevented Transmission from browsing tags when read permissions had been modified on the tag provider
Various fixes to UDT collision detection
Fixed startup race condition that could result in invalid initial values
Various fixes to Transmission info tags
Fixed potential NPEs when fetching existing tag paths
Fixed handling of numeric parameter values in UDTs

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title	MQTT Recorder

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	AWS Injector

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title	What's New or Improved

Added support for EC2 Instance IAM Roles as an alternative to AWS access/secret keys
Added support for 'maximum history store size' to prevent history from overrunning memory or disk
Added support for AWT Colors in DataSets
Added support for Array, DataSets, and Document tag properties
Made the H2 TCP port configurable
General logging cleanup
General performance improvements to disk-backed history storage

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title	What's Fixed

Fixed handling of restarted tags to ensure they properly return to a good quality
Moved history store on disk to the 'data' directory to better support redundancy and gateway backups
Fixed permissions issue that prevented Injectors from browsing tags when read permissions had been modified on the tag provider
Fixed startup race condition that could result in invalid initial values
Fixed potential NPEs when fetching existing tag paths
Fixed handling of numeric parameter values in UDTs
Fixed dynamic configuration UI handling in Kinesis configuration
Fixed support for Kinesis Firehose configurations

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title	Azure Injector

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title	What's New or Improved

Added support for 'maximum history store size' to prevent history from overrunning memory or disk
Added support for AWT Colors in DataSets
Added support for Array, DataSets, and Document tag properties
Made the H2 TCP port configurable
General logging cleanup
General performance improvements to disk-backed history storage

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title	What's Fixed

Fixed handling of restarted tags to ensure they properly return to a good quality
Moved history store on disk to the 'data' directory to better support redundancy and gateway backups
Fixed permissions issue that prevented Injectors from browsing tags when read permissions had been modified on the tag provider
Fixed startup race condition that could result in invalid initial values
Fixed potential NPEs when fetching existing tag paths
Fixed handling of numeric parameter values in UDTs
Fixed potential NPE when using certificate based auth and no CA cert is defined

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title	Google Cloud Injector

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title	What's New or Improved

Added support for 'maximum history store size' to prevent history from overrunning memory or disk
Added support for AWT Colors in DataSets
Added support for Array, DataSets, and Document tag properties
Made the H2 TCP port configurable
General logging cleanup
General performance improvements to disk-backed history storage

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title	What's Fixed

Fixed handling of restarted tags to ensure they properly return to a good quality
Moved history store on disk to the 'data' directory to better support redundancy and gateway backups
Fixed permissions issue that prevented Injectors from browsing tags when read permissions had been modified on the tag provider
Fixed startup race condition that could result in invalid initial values
Fixed potential NPEs when fetching existing tag paths
Fixed handling of numeric parameter values in UDTs

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title	EFM ABB Totalflow

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title	What's New or Improved

Added 'Flow Factor', 'Flow Time', and 'Total Volume' column support

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title	What's Fixed

Fixes to migration code for Totalflow applications
Fix to restart polling when auto-discovery completes and ON_DEMAND is being used
Fixed flowtime calculation as it was improperly being multiplied by 60

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title	EFM Emerson ROC

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title	What's New or Improved

Added 'Flow Factor', 'Flow Time', and 'Total Volume' column support

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title	What's Fixed

No fixes

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title	Opto22 groov EPIC and SNAPPAC Driver

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	v4.0.31 Sept 18, 2025

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title	MQTT Distributor

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title	What's New or Improved

No new features

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title	What's Fixed

Fixed potential memory leak around keep alive timeouts

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title	MQTT Engine

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title	Whats' New or Improved

Improved distribution of message handling in threads to more evenly spread the load across the available threads
Modified the [MQTT Engine]Engine Info/Queued Messages dataset to use Sparkplug IDs instead of thread indices for better readability
Added support for alarms across the GAN from Engine when using alarm 'queried' mode in the realtime tag provider
Added control tags to clear MQTT Engine metric processing queues
Improved rebirth logic to more intelligently request rebirths only when necessary
Modified direct history inserts to not require tag config look ups to improve historical insert speed

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title	What's Fixed

Added logging NPE protection for null metric timestamps on incoming messages
Added NPE protection in property comparison logic

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title	MQTT Transmission

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title	What's New or Improved

Improved UNS Transmitter performance via multiple MQTT Clients
Added info tag (In-flight Permits Free) for UNS Transmitters
Added config options for disk-backed history store max message and max message size
Modified Transmission to update NDEATH timestamps to now when published from the Edge
Added support for shared H2 TCP ports for disk-backed history stores
Added String conversion support to outbound Transmission metric names

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title	What's Fixed

Improved/Fixed display path handling for alarms
Fixed NPE that could occur for alarms that occur outside of the scope of an Agents tag tree
Fixed security context handling
Fixed regression in TransmissionClient logger where it only logged the first metric in a payload instead of the full payload at TRACE
Fixed issue where DDEATH/DBIRTH messages were not sent when disabling/enabling or deleting device level UDT treated as a device
Ensured that pending DDATA messages are pushed before a DDEATH
Ensured that pending NDATA and DDATA messages are pushed before an NDEATH
Fixed birth building reconciliation that could result in UDT member tag values being omitted from BIRTH messages

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title	MQTT Recorder

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title	What's New or Improved

No new features

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title	What's Fixed

Fixed support for handling for empty strings in table setting matching

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title	AWS Injector

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title	What's New or Improved

Added an option to 'Include Quality Context' in payloads which provides the textual string representing metric quality
Added config options for disk-backed history store max message and max message size
Modified Injector to update NDEATH timestamps to now when pushed from the Injector itself

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title	What's Fixed

Fixed issue where Agents could be shut down if an associated endpoint is shutdown even when another enabled endpoint references the same agent
Fixed synchronization issue that could result in data not being published on a refresh

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title	Azure Injector

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title	What's New or Improved

Added an option to 'Include Quality Context' in payloads which provides the textual string representing metric quality
Added config options for disk-backed history store max message and max message size
Modified Injector to update NDEATH timestamps to now when pushed from the Injector itself

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title	What's Fixed

Fixed issue where Agents could be shut down if an associated endpoint is shutdown even when another enabled endpoint references the same agent
Fixed synchronization issue that could result in data not being published on a refresh

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title	Google Cloud Injector

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title	What's New or Improved

Added an option to 'Include Quality Context' in payloads which provides the textual string representing metric quality
Added config options for disk-backed history store max message and max message size
Modified Injector to update NDEATH timestamps to now when pushed from the Injector itself

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title	What's Fixed

Fixed issue where Agents could be shut down if an associated endpoint is shutdown even when another enabled endpoint references the same agent
Fixed synchronization issue that could result in data not being published on a refresh

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title	EFM ABB Totalflow

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title	What's New or Improved

Added an 'Observe Daylight Saving' config option

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title	What's Fixed

Fixed issue where AAR polls across all poll groups resumed immediately upon 'AAR write' and 'read-back' completion
Fixed offsets to properly support DailyRecord124

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title	EFM Emerson ROC

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title	What's New or Improved

Added an 'Observe Daylight Saving' config option

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title	What's Fixed

No fixes

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title	Opto22 groov EPIC and SNAPPAC Driver

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	v4.0.30 June 24, 2025

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title	MQTT Distributor

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title	What's New or Improved

Added support for auto-detection and loading of new TLS certificates when they are loaded into Ignition
Added support for 'Unique LWT Topics' to reject connections from clients with duplicate MQTT Will Message Topics

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title	What's Fixed

No fixes

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title	MQTT Engine

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title	What's New or Improved

Modified MQTT Engine to disconnect/reconnect when detecting an invalid STATE message to force timestamp update to current time
Added support for metricTimestampValidationSkew via a CustomProperty in MQTT Engine
Modified Engine server set creation to automatically add the new set to all namespaces
Added support for configurable alarm 'display path' at MQTT Engine which propagating alarms from Transmission to Engine
Modified the Engine and Transmission to support DataSets, Documents, and Array types as Strings on the wire as an option to remain Sparkplug compliant
Added support for clearing alarm events already cleared at the Edge and missed by MQTT Engine
Improved logging around null dataset handling
Added support for 'auto-reconciliation' of alarms between Transmission and Engine
Added support for auto-removal of Namespace Server Set references when deleting Server Sets

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title	What's Fixed

Fixed potential synchronization issue when removing subscriptions on disconnect
Fixed updates to the PHID info tags in Engine to not update improperly on incoming older STATE messages
Fixed handling of Date and String datatypes in alarm propagation
Fixed alarm preservation across Engine disable/enable and alarm SQL inserts
Fixed alarm handling to prevent duplication if both the Default and UNS tag tree views are enabled
Fixed handling of historical alarms as regular metrics which was updating tag values incorrectly
Fixed potential NPE in handling null bound property values
Fixed potential edge cases in Dataset handling

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title	MQTT Transmission

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title	What's New or Improved

Modified global and edge node level refresh logic to better handle refresh complete
Made CMD writes non-blocking to improve write performance
Added support for propagation of all alarm properties when publishing alarms
Modified Transmission to support DataSets, Documents, and Array types as Strings on the wire as an option to remain Sparkplug compliant
Added support for 'auto-reconciliation' of alarms between Transmission and Engine
Added support for manual alarm reconciliation via a Transmission control tag
Removed code that built up UDT definitions even when they were not configured to be published
Modified default history flush quantity to 40k

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title	What's Fixed

Fixed rolling buffer store and forward support in Transmission
Fixed handling of Date and String datatypes in alarm propagation
Fixed potential concurrency issues in BIRTH building
Fixed issue when flushing in-order and 'writing directly to the historian' in Engine could result in old/invalid tag values
Fixed potential NPE during BIRTH building reconciliation
Fixed potential edge cases in Dataset handling
Fixed Transmitter config to not allow a Device ID to be configured when an Edge Node ID is not configured

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title	MQTT Recorder

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	AWS Injector

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title	What's New or Improved

Modified global and edge node level refresh logic to better handle refresh complete
Added support optionally to include Node/Device Info and Control metrics
Removed code that built up UDT definitions even when they were not configured to be pushed
Fixed Agent config to not allow a Device ID to be configured when an Edge Node ID is not configured

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title	What's Fixed

Fixed potential concurrency issues in BIRTH building
Fixed potential NPE during BIRTH building reconciliation

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title	Azure Injector

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title	What's New or Improved

Modified global and edge node level refresh logic to better handle refresh complete
Added ISO-8859-1 encoding support
Added support optionally to include Node/Device Info and Control metrics
Removed code that built up UDT definitions even when they were not configured to be pushed
Fixed Agent config to not allow a Device ID to be configured when an Edge Node ID is not configured

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title	What's Fixed

Fixed potential concurrency issues in BIRTH building
Fixed potential NPE during BIRTH building reconciliation

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title	Google Cloud Injector

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title	What's New or Improved

Modified global and edge node level refresh logic to better handle refresh complete
Added support optionally to include Node/Device Info and Control metrics
Removed code that built up UDT definitions even when they were not configured to be pushed
Fixed Agent config to not allow a Device ID to be configured when an Edge Node ID is not configured

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title	What's Fixed

Fixed potential concurrency issues in BIRTH building
Fixed potential NPE during BIRTH building reconciliation

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title	EFM ABB Totalflow

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title	What's New or Improved

No new features

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title	What's Fixed

Fixed potential NPE in the getRegisterSets method of the PollGroupManager class
Fixed a bug when updated global definitions name is not properly applied to device connections
Fixed potential NPE in Meter Config record handling

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title	EFM Emerson ROC

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title	What's New or Improved

Improved logging in the initializeOpCodeTables method of the RocDevice class

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title	What's Fixed

Fixed a bug when updated global definitions name is not properly applied to device connections

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title	Opto22 groov EPIC and SNAPPAC Driver

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	v4.0.29 Apr 10, 2025

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title	MQTT Distributor

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	MQTT Engine

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title	What's New or Improved

No new features

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title	What's Fixed

Removed invalid update of online/offline timestamp update for Elecsys namespace that resulted in noisy log messages

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title	MQTT Transmission

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title	What's New or Improved

No new features

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title	What's Fixed

Fixed issue with threading that resulted in significant performance decrease

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title	MQTT Recorder

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	AWS Injector

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	Azure Injector

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	Google Cloud Injector

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	EFM ABB Totalflow

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	EFM Emerson ROC

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	Opto22 groov EPIC and SNAPPAC Driver

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	v4.0.28 Mar 31, 2025

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title	MQTT Distributor

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title	What's New or Improved

Upticked Google Protobuf version to v3.25.5

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title	What's Fixed

No fixes

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title	MQTT Engine

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title	What's New or Improved

Upticked Google GSON version to v2.8.9
Upticked Google Protobuf version to v3.25.5
Added support to store alarm events in the alarm journal
Added Sparkplug IDs to the source and display path of alarms at MQTT Engine
Added support to treat 'all numbers as floats' in Engine JSON custom namespace handling

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title	What's Fixed

Fixed potential deadlock in the alarm DB
Fixed custom namespace issue that could result in processing topics not intended for that namespace
Fixed initialization order in MQTT Engine to ensure TLS certificates get loaded on startup
Fixed support for Array, Dataset, and Document tag properties
Fixed Elecsys namespace $sys commands

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title	MQTT Transmission

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title	What's New or Improved

Upticked Google Protobuf version to v3.25.5
Added support for 'randomizing server connections'
Added warning message if a conflicting UDT definition is found and would've been included in the NBIRTH

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title	What's Fixed

Fixed potential deadlock in the disk-backed history store
Added code to remove RedundancyStateListeners to prevent erroneous error messages
Fixed birth building issues that could result in erroneous tags being published
Fixed support for Array, Dataset, and Document tag properties
Fixed issue that could result in Transmission ceasing to publish data after a Rebirth request
Fixed potential NPE when trying to detect tag enabled status on startup
Fixed issue with Dataset datatype coercion
Fixed UNS Transmitters to include Sparkplug IDs for UDT member tags
Fixed bound value string handling for numeric bound UDT parameters
Fixed tag change event reconciliation logic when publishing cached births
Fixed issue that could result in DATA messages being published out of order when under heavy load

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title	MQTT Recorder

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	AWS Injector

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title	What's New or Improved

Upticked Google Protobuf version to v3.25.5
Upticked AWS SDK version to v2.28.17
Added support for 'hybrid push'
Added warning message if a conflicting UDT definition is found and would've been included in the NBIRTH

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title	What's Fixed

Added code to remove RedundancyStateListeners to prevent erroneous error messages
Fixed birth building issues that could result in erroneous tags being pushed
Fixed potential NPE when trying to detect tag enabled status on startup
Fixed issue with Dataset datatype coercion
Fixed bound value string handling for numeric bound UDT parameters
Fixed tag change event reconciliation logic when pushing cached births

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title	Azure Injector

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title	What's New or Improved

Upticked Google Protobuf version to v3.25.5
Added support for 'hybrid push'
Added warning message if a conflicting UDT definition is found and would've been included in the NBIRTH

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title	What's Fixed

Added code to remove RedundancyStateListeners to prevent erroneous error messages
Fixed birth building issues that could result in erroneous tags being pushed
Fixed potential NPE when trying to detect tag enabled status on startup
Fixed issue with Dataset datatype coercion
Fixed bound value string handling for numeric bound UDT parameters
Fixed tag change event reconciliation logic when pushing cached births
Fixed potential deadlock during disconnect/reconnect events

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title	Google Cloud Injector

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title	What's New or Improved

Upticked Google Protobuf version to v3.25.5
Added support for 'hybrid push'
Added warning message if a conflicting UDT definition is found and would've been included in the NBIRTH

Expand

title	What's Fixed

Added code to remove RedundancyStateListeners to prevent erroneous error messages
Fixed birth building issues that could result in erroneous tags being pushed
Fixed potential NPE when trying to detect tag enabled status on startup
Fixed issue with Dataset datatype coercion
Fixed bound value string handling for numeric bound UDT parameters
Fixed tag change event reconciliation logic when pushing cached births

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title	EFM ABB Totalflow

Expand

title	What's New or Improved

Upticked Quartz version to v2.3.2

Expand

title	What's Fixed

Added code to remove RedundancyStateListeners to prevent erroneous error messages
Fixed potential NPEs when processing some types of Totalflow applications

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title	EFM Emerson ROC

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title	What's New or Improved

Upticked Quartz version to v2.3.2

Expand

title	What's Fixed

Added code to remove RedundancyStateListeners to prevent erroneous error messages

Expand

title	Opto22 groov EPIC and SNAPPAC Driver

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	v4.0.26 Jan 15, 2025

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title	MQTT Distributor

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title	What's New or Improved

Added retry logic for listeners that failed to initialize

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title	What's Fixed

No fixes

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title	MQTT Engine

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title	What's New or Improved

Added 'Not Licensed' state to Server Connection Status field in the Web UI
General logging improvements
Added cleanup mechanism to delete Persistent Records associated with a deleted NamespaceRecord
Added support for null/empty 'replacement string' in custom namespace conversion rules
Added support to automatically populate new Custom Namespace Server Set bindings list with all existing Server Sets
Added support for null JSON payload values if the tag already exists
Added support for Edge side 'Node Control' tags in DATA messages

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title	What's Fixed

Fixed issue that would keep removed legacy state client subscriptions after they were deleted
Fixes to ensure all subscriptions are necessary
Fixed decoding support of Array, DataSet, and Document property types
Improved handling for historical metric DataTypeClass discovery to prevent NPEs

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title	MQTT Transmission

Expand

title	What's New or Improved

Added 'Not Licensed' state to Server Connection Status field in the Web UI
Optimized births to omit unused UDT definitions in the payload
Added support for the 'Enabled' property to be a bound parameter
Changed history store query timeout and minimum value to prevent query timeouts

Expand

title	What's Fixed

Fixed potential deadlock in connection logic
Fixed potential ClassCastException during birth building
Fixed encoding support of Array, DataSet, and Document property types

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title	MQTT Recorder

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title	What's New or Improved

Added documentation tag property for MQTT Recorder tags

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title	What's Fixed

No fixes

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title	AWS Injector

Expand

title	What's New or Improved

Added documentation tag property for AWS Injector tags
Optimized births to omit unused UDT definitions in the payload
Added support for the 'Enabled' property to be a bound parameter
Changed history store query timeout and minimum value to prevent query timeouts

Expand

title	What's Fixed

Fixed potential deadlock in connection logic
Fixed potential ClassCastException during birth building
Fixed encoding support of Array, DataSet, and Document property types

Expand

title	Azure Injector

Expand

title	What's New or Improved

Added documentation tag property for Azure Injector tags
Optimized births to omit unused UDT definitions in the payload
Added support for Azure cert based auth for Event Hub connections
Added support for the 'Enabled' property to be a bound parameter
Changed history store query timeout and minimum value to prevent query timeouts

Expand

title	What's Fixed

Fixed potential deadlock in connection logic
Fixed potential ClassCastException during birth building
Fixed encoding support of Array, DataSet, and Document property types

Expand

title	Google Cloud Injector

Expand

title	What's New or Improved

Added documentation tag property for Google Cloud Injector tags
Optimized births to omit unused UDT definitions in the payload
Added support for the 'Enabled' property to be a bound parameter
Changed history store query timeout and minimum value to prevent query timeouts

Expand

title	What's Fixed

Fixed potential deadlock in connection logic
Fixed potential ClassCastException during birth building
Fixed encoding support of Array, DataSet, and Document property types

Expand

title	EFM ABB Totalflow

Expand

title	What's New or Improved

Added validator to prevent submission of a global definition w/o specifying a file

Expand

title	What's Fixed

Fixed potential NPE around wildcard characters while parsing INI files with @ROWLOOP

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title	EFM Emerson ROC

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title	What's New or Improved

No new features

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title	What's Fixed

No fixes

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title	Opto22 groov EPIC and SNAPPAC Driver

Expand

title	What's New or Improved

No new features

Expand

title	What's Fixed

No fixes

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title	v4.0.25 Nov 12, 2024

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title	MQTT Distributor

Expand

title	What's New or Improved

Added documentation property to info tags to describe each tag

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title	What's Fixed

No fixes

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title	MQTT Engine

Expand

title	What's New or Improved

Added documentation property to info tags to describe each tag
Made alarm persistence location configurable
Added documentation property to info tags to describe each tag
Added the 'ActiveSubscription' Engine Info tag
Modified python script APIs to not return private keys in plain text
Logging improvements
Added support for Alarm ACKs even when command blocking is enabled
Moved default H2 DB location for Windows from 'data' to 'user-lib'

Expand

title	What's Fixed

Fixed alarm handling of 'ack time', 'clear time', and 'display path'
Fixed potential erroneous tag states when both UNS and default Sparkplug tags were enabled
Fixed issue that could result in incorrect filters when filtering on a per server basis
Fixed alarm ACKs when using Engine on Windows OS
Fixed logging and feedback when an alarm is ACKed and the associated Edge Node is offline

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title	MQTT Transmission

Expand

title	What's New or Improved

Added support for UNS Transmitters
Added support for alarm 'notes'
Made disk-backed history store persistence location configurable
Added documentation property to info tags to describe each tag
Modified python script APIs to not return private keys in plain text
Moved default H2 DB location for Windows from 'data' to 'user-lib'
Improved Exception handling when building BIRTHs to denote datatype mismatches
Added RedundnacyTransitionActiveDelay config option to Transmission to allow redundant gateway to stop before the active one starts

title	v4.0.21 January 26, 2024

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title	MQTT Distributor

Expand

title	What's New or Improved

Added custom property support for 'maxOutboundQueueSize'

Expand

title	What's Fixed

No fixes

Expand

title	MQTT Engine

Expand

title	What's New or Improved

MQTT Engine now excludes empty property sets on the wire which could result in problems for some Edge Node implementations
Modified MQTT Engine to only perform UDT collision detection for MQTT Transmission Sparkplug Edge Nodes
Improved logging to not log at info level on ignored tag collisions when a duplicate tag change event is being ignored and is identical to the original
Added support for excluding datatypes from CMD messages per the Sparkplug spec
Added support for missing datatypes in DATA messages per the Sparkplug spec
Added support for 'Binary Data' datatype
Added Engine side write support for ByteArray, DateTimeArray, and StringArray datatypes

Expand

title	What's Fixed

Fixed potential erroneous UDT collision warnings in MQTT Engine
Fixed potential NPE in UDT collision detection for templates with no parameters
Fixed timing issue that could result in Transmission attempting to read tags before the tag provider is started which could result in failure to initialize on startup

Expand

title	MQTT Transmission

Expand

title	What's New or Improved

Made 'hashing algorithm' names consistent across all modules
Increased the default query timeout for disk-backed history stores to improve reliability on underpowered systems
Added support for excluding datatypes from DATA messages per the Sparkplug spec
Added support for missing datatypes in CMD messages per the Sparkplug spec
Added a dedup filter to prevent some edge cases where BIRTH and subsequent DATA messages could include identical tag change events
Added support for 'Binary Data' datatype
Set defaults for history store configurations

Expand

title	What's Fixed

Fixed multiple edge cases where duplicate tag change events could be sent when they shouldn't be
Fixed edge case that could result in some metrics failing to get aliases assigned when aliasing is enabled
Fixed support for ByteArray datatypes
Fixed potential NPEs when flushing history in-order
Fixed issue that could result in live data being mixed in with history during in-order history flush
Added Paho bug workaround to minimize leaked Paho threads
Fixed dataset deserialization when in use in history stores which resulted in zero values in datasets at MQTT Engine
Fixed issue that could result in missing aliases when using aliasing with history stores
Removed issue that could result in Ignition shutdown when using disk-backed history store
Fixed issue that required a CA cert when using client side cert auth even if using a 'real' CA

Expand

title	MQTT Recorder

Expand

title	What's New or Improved

Made 'hashing algorithm' names consistent across all modules

Expand

title	What's Fixed

No fixes

Expand

title	AWS Injector

Expand

title	What's New or Improved

Increased the default query timeout for disk-backed history stores to improve reliability on underpowered systems
Added support for 'Binary Data' datatype

Expand

title	What's Fixed

Fixed multiple edge cases where duplicate tag change events could be sent when they shouldn't be
Fixed timing issue that could result in Transmission attempting to read tags before the tag provider is started which could result in failure to initialize on startup
Fixed support for ByteArray datatypes
Fixed dataset deserialization when in use in history stores which resulted in zero values in datasets
Added code to ensure a history store is not started if the Injector is disabled
Removed issue that could result in Ignition shutdown when using disk-backed history store

Expand

title	Azure Injector

Expand

title	What's New or Improved

Increased the default query timeout for disk-backed history stores to improve reliability on underpowered systems
Added support for 'Binary Data' datatype

Expand

title	What's Fixed

Fixed multiple edge cases where duplicate tag change events could be sent when they shouldn't be
Fixed timing issue that could result in Transmission attempting to read tags before the tag provider is started which could result in failure to initialize on startup
Fixed support for ByteArray datatypes
Added Paho bug workaround to minimize leaked Paho threads
Fixed dataset deserialization when in use in history stores which resulted in zero values in datasets
Added code to ensure a history store is not started if the Injector is disabled
Fixed potential IoT Hub deadlock
Removed issue that could result in Ignition shutdown when using disk-backed history store

Expand

title	Google Cloud Injector

Expand

title	What's New or Improved

Modified default configuration to use Clearblade IoT Core endpoint
Increased the default query timeout for disk-backed history stores to improve reliability on underpowered systems
Added support for 'Binary Data' datatype

Expand

title	What's Fixed

Fixed multiple edge cases where duplicate tag change events could be sent when they shouldn't be
Fixed timing issue that could result in Transmission attempting to read tags before the tag provider is started which could result in failure to initialize on startup
Fixed support for ByteArray datatypes
Added Paho bug workaround to minimize leaked Paho threads
Fixed dataset deserialization when in use in history stores which resulted in zero values in datasets
Added code to ensure a history store is not started if the Injector is disabled
Removed issue that could result in Ignition shutdown when using disk-backed history store

Expand

title	EFM ABB Totalflow

Expand

title	What's New or Improved

Made 'hashing algorithm' names consistent across all modules

Expand

title	What's Fixed

No fixes

Expand

title	EFM Emerson ROC

Expand

title	What's New or Improved

Made 'hashing algorithm' names consistent across all modules

Expand

title	What's Fixed

No fixes

Expand

title	Opto22 groov EPIC and SNAPPAC Driver

Expand

title	What's New or Improved

No new features

Expand

title	What's Fixed

No fixes

...

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