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Click here for Ignition Version Compatibility


Whilst we run rigorous automated testing for each of our modules, we always recommend that you thoroughly test new module versions in a test environment before releasing to production

Cirrus Link Modules for Ignition 8.x


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  • Added custom property support for 'maxOutboundQueueSize'


  • No fixes




  • 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


  • 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




  • 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


  • 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




  • Made 'hashing algorithm' names consistent across all modules


  • No fixes




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


  • 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




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


  • 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




  • 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


  • 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




  • Made 'hashing algorithm' names consistent across all modules


  • No fixes




  • Made 'hashing algorithm' names consistent across all modules


  • No fixes




  • No new features


  • No fixes






  • No new features


  • No fixes




  • Added 'actor' support to audit records for MQTT Engine to Transmission writes


  • Removed invalid check requiring the Sparkplug sequence numbers be zero in an NBIRTH




  • Added Transmission RECORD signature fields to the Python scripting API


  • Fixed file publishing 'Reset' tag handling

  • Fixed issue that could result in Transmission RECORD config changes not taking effect

  • Fixed history store and forward migration to new table setup

  • Fixed history store and forward pruning logic for certain edge cases

  • Added support for '-' in disk-backed store and forward table names and some other special chars




  • No new features


  • No fixes




  • Logging improvements for better diagnostics


  • Fixed enable/disable handling via the 'Enabled' Ignition tag

  • Fixed IndexOutOfBoundsExceptions on attempts to create endpoint services and agents w/o sets defined

  • Fixed sequence number handling in pushed messages

  • Fixed Injector failover by ensuring Service startup as well as Agent startup in redundant Ignition environments

  • Fixed issue with history store enablement for a disabled service

  • Fixed issue that could result in duplicated BIRTH messages

  • Fixed 'Messages Stored' count in Info tag

  • Fixed potential thread deadlock

  • Fixed history store and forward pruning logic for certain edge cases

  • Added support for '-' in disk-backed store and forward table names and some other special chars





  • Logging improvements for better diagnostics


  • Fixed enable/disable handling via the 'Enabled' Ignition tag

  • Fixed IndexOutOfBoundsExceptions on attempts to create endpoint services and agents w/o sets defined

  • Fixed sequence number handling in pushed messages

  • Fixed Injector failover by ensuring Service startup as well as Agent startup in redundant Ignition environments

  • Fixed issue with history store enablement for a disabled service

  • Fixed issue that could result in duplicated BIRTH messages

  • Fixed 'Messages Stored' count in Info tag

  • Fixed potential thread deadlock

  • Fixed history store and forward pruning logic for certain edge cases

  • Added support for '-' in disk-backed store and forward table names and some other special chars




  • Logging improvements for better diagnostics


  • Fixed enable/disable handling via the 'Enabled' Ignition tag

  • Fixed IndexOutOfBoundsExceptions on attempts to create endpoint services and agents w/o sets defined

  • Fixed sequence number handling in pushed messages

  • Fixed Injector failover by ensuring Service startup as well as Agent startup in redundant Ignition environments

  • Fixed issue with history store enablement for a disabled service

  • Fixed issue that could result in duplicated BIRTH messages

  • Fixed 'Messages Stored' count in Info tag

  • Fixed potential thread deadlock

  • Fixed history store and forward pruning logic for certain edge cases

  • Added support for '-' in disk-backed store and forward table names and some other special chars




  • No new features


  • No fixes




  • No new features


  • No fixes




  • No new features


  • No fixes






  • Improved logging on clearing of retained messages


  • Fixed log messages when client connections pre-empt existing connections with same client ID




  • Expanded TagPath validation to ensure paths don't end in a slash

  • Added 'parentEnabled' and 'sourceTagPath' to list of default filtered properties
  • Added JSON validation for the MQTT Engine custom properties config field


  • Fixed writing of array values in MQTT Engine tag provider for null and full arrays
  • Fixed legacy STATE MQTT client migration when updating from older versions of MQTT Engine




  • Optimized BIRTH building to consolidate readTag calls - helps with remote tag provider tags in BIRTH building
  • Expanded TagPath validation to ensure paths don't end in a slash
  • Added 'parentEnabled' and 'sourceTagPath' to list of default filtered properties
  • Major overhaul of disk-backed store and forward system to optimize storage and configuration
  • Added digital signature support to Transmission RECORD creation
  • Added defaults for rolling history buffer configuration
  • Added Transmission history store field validation
  • Removed the 'prune quantity' option for rolling history configuration from the web UI


  • Fixed issue where Edge Node level expression tags are null on NBIRTH
  • Fixed null value handling in RECORDs that would result in default values being set instead of null
  • Fixed cache update code that could result in BIRTH messages not publishing the most recent/valid value
  • Fixed potential erroneous data type change event when converting tags for UDT instance members
  • Fixed issue where timestamps could be set incorrectly if the tag is in a Managed Tag Provider
  • Fixed NPE on initialization
  • Fixed handling of CMD messages missing Metric datatypes per the Sparkplug spec including Rebirth requests
  • Fixed handling of tag properties that are not of a supported datatype




  • No new features


  • No fixes




  • Optimized BIRTH building to consolidate readTag calls - helps with remote tag provider tags in BIRTH building
  • Expanded TagPath validation to ensure paths don't end in a slash
  • Major overhaul of disk-backed store and forward system to optimize storage and configuration
  • General logging improvements


  • Fixed issue where Edge Node level expression tags are null on NBIRTH
  • Fixed cache update code that could result in BIRTH messages not publishing the most recent/valid value
  • Fixed 'enabled' value handling on setting endpoints
  • Fixed potential erroneous data type change event when converting tags for UDT instance members
  • Fixed NPE on initialization
  • Fixed Injector Info tags that could show incorrect data
  • Fixed PUSH_TO_ANY handling in Injectors when transitioning on connection status
  • Fixed NPE on fresh module installation
  • Fixed handling of tag properties that are not of a supported datatype




  • Optimized BIRTH building to consolidate readTag calls - helps with remote tag provider tags in BIRTH building
  • Expanded TagPath validation to ensure paths don't end in a slash
  • Major overhaul of disk-backed store and forward system to optimize storage and configuration
  • General logging improvements
  • Added configurable SAS token expiration length


  • Fixed issue where Edge Node level expression tags are null on NBIRTH
  • Fixed cache update code that could result in BIRTH messages not publishing the most recent/valid value
  • Fixed 'enabled' value handling on setting endpoints
  • Fixed potential erroneous data type change event when converting tags for UDT instance members
  • Fixed NPE on initialization
  • Fixed Injector Info tags that could show incorrect data
  • Fixed PUSH_TO_ANY handling in Injectors when transitioning on connection status
  • Fixed NPE on fresh module installation
  • Fixed handling of tag properties that are not of a supported datatype




  • Optimized BIRTH building to consolidate readTag calls - helps with remote tag provider tags in BIRTH building
  • Expanded TagPath validation to ensure paths don't end in a slash
  • Major overhaul of disk-backed store and forward system to optimize storage and configuration
  • General logging improvements


  • Fixed issue where Edge Node level expression tags are null on NBIRTH
  • Fixed cache update code that could result in BIRTH messages not publishing the most recent/valid value
  • Fixed 'enabled' value handling on setting endpoints
  • Fixed potential erroneous data type change event when converting tags for UDT instance members
  • Fixed NPE on initialization
  • Fixed Injector Info tags that could show incorrect data
  • Fixed PUSH_TO_ANY handling in Injectors when transitioning on connection status
  • Fixed NPE on fresh module installation
  • Fixed handling of tag properties that are not of a supported datatype




  • Added Python scripting APIs to copy configs


  • Fixed handling of empty CFX publish cron expressions
  • Fixed a web UI validation issue 'Publish Files Folder' field




  • Added Python scripting APIs to copy configs
  • Improved CRC calculation on ROC messages to account for padding


  • Fixed handling of empty CFX publish cron expressions
  • Fixed a web UI validation issue 'Publish Files Folder' field




  • No new features


  • No fixes









  • Added additional 'Distributor Info' tags


  • No Fixes




  • No new features


  • Fixed legacy client not disconnecting when control tags force offline
  • Fixed issue with cloning UDTs when using arrays
  • Fixed issue with overrides on UDT Tag properties




  • No new features


  • Fixed issue where manually entered client ID could cause RPC client to not start
  • Fixed BIRTH building of OPC tags to ensure values are set properly when they are members of UDTs




  • No new features


  • No fixes




  • Added Edge Node refresh support
  • Improved Agent and Set refresh/restart logic


  • Fixed issue where BIRTH message might not get sent on Kinesis Stream enable/disable




  • Added Edge Node refresh support


  • Fixed IoT Central connections not publishing BIRTH




  • Added Edge Node refresh support


  • No Fixes




  • No new features


  • No Fixes




  • No new features


  • No fixes




  • No new features


  • No fixes






  • Updated the code signing certificate
  • Improved logging around PUBLISH and DISCONNECT packet handling


  • Improved session tracking and expiring of expired/disconnected sessions
  • Fixed CONNACK error code for failed authentication




  • Updated the code signing certificate

  • Added 'total metric count' and 'metrics per second' info tags

  • Logging improvements around timestamp collisions

  • Removed Conscript dependency to better support SSL connections on ARM platforms

  • Added support for password protected PKCS8 private SSL keys


  • Added NPE protection against arriving null tag values
  • Fixed regression in String payload handling that prevented tag updates in non-JSON custom namespaces
  • Added null protection on connection lost for clients without a specified LWT/Primary Host ID
  • Fixed handling of bound parameters in UDTs




  • Updated the code signing certificate
  • Optimized Birth building to improve performance
  • Added info tags for 'metric count' and 'metrics per second'
  • Added 'rolling buffer' support to preserve data during keep alive connection lost events
  • Expanded on tag event tracing for debug purposes
  • Optimized recursive tag configuration lookups on startup
  • Removed Conscript dependency to better support SSL connections on ARM platforms
  • Added support for password protected PKCS8 private SSL keys


  • Fixed the return type for RandomStartupDelay in Transmission Servers createConfig Python scripting API
  • Fixed some edge cases around timestamps on metrics during startup
  • Fixed regression that previously broke device topic expansion
  • Fixed store and order buffer overflows to delete the oldest data first
  • Fixed cache updating issue when handling with disabled tags




  • Updated the code signing certificate


  • No fixes




  • Updated the code signing certificate
  • Expanded on tag event tracing for debug purposes
  • Added disk-backed store and forward support
  • Optimized recursive tag configuration lookups on startup
  • Added individual Agent enable/disable support and a name setting
  • Removed Conscript dependency to better support SSL connections on ARM platforms


  • Fixed FlushPeriod return type in the Python scripting API
  • Fixed cache updating issue when handling with disabled tags




  • Updated the code signing certificate
  • Expanded on tag event tracing for debug purposes
  • Added disk-backed store and forward support
  • Optimized recursive tag configuration lookups on startup
  • Added individual Agent enable/disable support and a name setting
  • Removed Conscript dependency to better support SSL connections on ARM platforms
  • Added support for password protected PKCS8 private SSL keys


  • Fixed cache updating issue when handling with disabled tags




  • Updated the code signing certificate
  • Expanded on tag event tracing for debug purposes
  • Added disk-backed store and forward support
  • Optimized recursive tag configuration lookups on startup
  • Added individual Agent enable/disable support and a name setting
  • Removed Conscript dependency to better support SSL connections on ARM platforms
  • Added support for password protected PKCS8 private SSL keys


  • Fixed cache updating issue when handling with disabled tags




  • Updated the code signing certificate


  • Fixed deletion and validation of global definitions and their references




  • Updated the code signing certificate


  • No fixes




  • Updated the code signing certificate


  • No fixes






  • No new features


  • Fixed thread management issue when clients continually reconnect with bad credentials




  • Added encryption of the security context hashing password

  • Added support for DATA metrics missing the MetricDataType because it is known from the BIRTH

  • Added support for topic namespace filters to be scoped to specific MQTT Servers
  • Added a custom config property to support Edge Node implementations that don't include BIRTH sequence numbers
  • Improved various RPC calls for Python scripting consistency
  • Added support for detection and logging of UDT collisions at MQTT Engine when they differ
  • Logging improvements and error handling improvements on malformed NBIRTH messages
  • Added user warnings for custom namespace subscriptions that include spaces
  • Added legacy state info tags to MQTT Engine
  • Added auditing support for remote writes in MQTT Transmission
  • Moved the 'enable primary host state' config option to the server's legacy state client config section
  • Logging improvements


  • Fixed to ensuring client shutdown always happens when required
  • Fixed STATE message handling in multi-server environments
  • Fixed issue that could result in topic subscriptions not being reset properly on filter changes
  • Improved error handling in Sparkplug BIRTH processing
  • Improved error handling for custom namespace string payloads that can't be converted to Ignition tag paths
  • Fixed incorrect OFFLINE state values in the MQTT Engine info tags
  • Fixed null elements in array handling
  • Fixed Elecsys 'State' topic handling
  • Fixed tag/folder management for info tags when enabling primary host subscriptions
  • Fixed issue that resulted in Custom Namespace String tags not getting updated after initial creation




  • Modified to not publish cached BIRTH messages if no historical data was published
  • Added encryption of the security context hashing password
  • Added user warnings when users set very large history store capacities
  • Added support for 'ExcludeFromPayload' to prevent specific UDTs from being published via MQTT
  • Added retry logic for example tag creation on initial Transmission installation
  • Added auditing support for remote writes
  • Added support for publishing alarm events on tags via MQTT


  • Modified Transmission to cache historical births at connection loss time rather than when finished flushing
  • Fixed STATE message handling in multi-server environments
  • Fixed potential deadlock when using the disk-backed history store
  • Fixed various RPC calls for Python scripting consistency
  • Fixed issue that resulted in old timestamps being included with newly enabled tags
  • Fixed NPE when handling online transition
  • Fixed issue that could result in device discovery before a 'Refresh' is performed
  • Fixed 'Enabled' property change event reporting on UDT member tags
  • Added support to force Paho disconnect if Paho still reports 'online' state to ensure proper reconnect




  • No new features


  • Fixed various RPC calls for Python scripting consistency




  • Added support for 'ExcludeFromPayload' to prevent specific UDTs from being published via MQTT


  • Fixed 'Enabled' property change event reporting on UDT member tags




  • Added support for 'ExcludeFromPayload' to prevent specific UDTs from being published via MQTT


  • Fixed various RPC calls for Python scripting consistency
  • Fixed 'Enabled' property change event reporting on UDT member tags




  • Added support for a custom endpoint server URL which results in support for Clearblade migrations
  • Added support for 'ExcludeFromPayload' to prevent specific UDTs from being published via MQTT
  • Added validation for mandatory private key upload field


  • Fixed 'Enabled' property change event reporting on UDT member tags




  • Improved CFX filename conventions


  • Added support to ensure application names during auto-discovery are unique
  • Fixed potental NPEs when updating meter and periodic config mappings




  • Improved CFX filename conventions
  • Modified Opcode table support to include the 'L' value in tag names to prevent name overlap


  • Improved OpCode table detection logging to show failed TLPs
  • Fixed ROC clock sync to work properly when multiple device are syncing clocks
  • Fixed potential NPEs when updating meter and periodic config mappings
  • Fixed exception handling when losing connection while in the connection establishment period




  • No new features


  • No Fixes






  • Added return values for Python scripting API CRUD operations


  • No Fixes




  • Added support for Device Rebirth requests
  • Disabled non-Sparkplug-B namespaces by default
  • Set max subscriptions to 8 per request to better support some third party MQTT Servers
  • Added return values for Python scripting API CRUD operations


  • Fixed status indication for devices that fail to subscribe to the MQTT Server
  • Fixed Elecsys support for '_' chars in messages




  • Added return values for Python scripting API CRUD operations


  • Added support for Device Rebirth requests
  • Fixed issue that could result in missing UDT metrics in a BIRTH
  • Fixed erroneous detection of edge node and group folder removal
  • Logging improvements on startup/connect
  • Fixed issue where EFM records may not be published at startup
  • Fixed NDEATH publishing when the Transmitter is disabled




  • Added return values for Python scripting API CRUD operations


  • No Fixes




  • Added 'refresh required' info tag and removed the 'auto-discover' feature
  • Added return values for Python scripting API CRUD operations


  • Fixed Agent name initialization that could result in NPE at startup
  • Fixed handling of enable/disable of endpoints via the control tag
  • Fixed NDEATH publishing when the Agent is disabled
  • Updated logic to support connects without BIRTH messages when appropriate
  • Fixed Agent validation to allow duplicate records




  • Added 'refresh required' info tag and removed the 'auto-discover' feature
  • Added return values for Python scripting API CRUD operations


  • Fixed Agent name initialization that could result in NPE at startup
  • Fixed handling of enable/disable of endpoints via the control tag
  • Fixed NDEATH publishing when the Agent is disabled
  • Updated logic to support connects without BIRTH messages when appropriate
  • Fixed Agent validation to allow duplicate records




  • Added 'refresh required' info tag and removed the 'auto-discover' feature
  • Added return values for Python scripting API CRUD operations


  • Fixed Agent name initialization that could result in NPE at startup
  • Fixed handling of enable/disable of endpoints via the control tag
  • Fixed NDEATH publishing when the Agent is disabled
  • Updated logic to support connects without BIRTH messages when appropriate
  • Fixed Agent validation to allow duplicate records




  • Added support for Meter Configurations
  • Added support for CFX file creation
  • Improved INI polling status tracking
  • Logging improvements
  • Added a 'not licensed' status indicator
  • Added support for user-selectable INI files
  • Added protection of 'double click' events during config that prevented DB access


  • Fixed NPE that could result in N/A device connection status
  • Fixed issue that could result in 'empty application name' in config menu
  • Fixed issue that prevented access to an internal application map during config
  • Fixed issue that resulted in failure to obtain meter config when using PERSISTENT connections




  • Added support for CFX file creation
  • Added support for OpCode Table polling as templates
  • Added a 'not licensed' status indicator
  • Added validation for CSV file uploads to ensure proper format


  • Fixed race condition that resulted in errors when the history poller is stopped




  • Logging improvements


  • No Fixes






  • Replaced core MQTT Server code with clean room implementation


  • Fixed MQTT over Websocket handling

  • Fixed NPE during anonymous connections

  • Fixed memory leak around uses of QoS greater than 0




  • Added support for Sparkplug v3.0.0 STATE messages

  • Added optional/configurable legacy STATE support for Sparkplug 2.2 clients
  • Logging improvements on Threadpools
  • Added a precheck on message decoding Sparkplug messages in case of invalid message payloads
  • Added support for custom namespace overlap on incoming messages
  • Added support for parenthesis in tag paths
  • Added native support for 'reordering timeouts' to support Sparkplug v3.0.0


  • Fixed potential NPE and ConcurrentModificationException in Primary Host handling
  • Fixed support for the 'enabled' tag property
  • Fixed Info tag initialization
  • Fixed config validation of multiple topics on a single entry
  • Fixed UDT handling for disabled UDTs via the 'enabled' tag property
  • Fixed Elecsys sys02 sending to correct server in multi-server environments




  • Added support for Sparkplug v3.0.0 STATE messages
  • Improved File auto-publisher performance
  • Increased maximum number of concurrent file publishers

  • Fixed possible deadlocks around file, record, history, and live tag publishing

  • Added thread names for improved logging in file publishers
  • Added logging of time spent on file publish operations
  • Added support for null/empty dataset values
  • Optimized File publishing by removing sync on tag change events
  • Added force sending of pending publish before DDEATH sending
  • Improved inline help text for Store and Forward settings
  • Added support for disk-backed Sparkplug bdSeq numbers


  • Fixed file 'auto-publisher' threads to terminate on shutdown with performance improvements
  • Added synchronization to STATE message handlers to prevent timing issues on STATE handling
  • Fixes to online/offline handling and manual file publishing
  • Fixed 'Publish File Count' metric value
  • Fixed reset of 'Publish Files Folder' value when 'Reset' is set true
  • Added NPE protection on handling of null tag configs
  • Fixed Topic token validation in config operations
  • Fixed support for the 'enabled' tag property
  • Added NPE protection when publishing DDEATH messages
  • Fixed Info tag initialization
  • Fixed potential overwrite of 'Offline DateTime' with null value
  • Fixed disk backed history store inserts with special characters
  • Fixed validation of Group/Edge ID collisions when they are in different Server Sets




  • No new features


  • No Fixes




  • Optimized 'rebirth' publishing to not rescan the tag tree
  • Added force sending of pending publish before DDEATH sending
  • Added support for disk-backed Sparkplug bdSeq numbers


  • Added NPE protection on handling of null tag configs
  • Fixed Topic token validation in config operations
  • Fixed potential deadlock when pushing payloads under heavy load




  • Optimized 'rebirth' publishing to not rescan the tag tree
  • Added force sending of pending publish before DDEATH sending
  • Added support for disk-backed Sparkplug bdSeq numbers


  • Added NPE protection on handling of null tag configs
  • Fixed Topic token validation in config operations
  • Fixed potential deadlock when pushing payloads under heavy load




  • Optimized 'rebirth' publishing to not rescan the tag tree
  • Added force sending of pending publish before DDEATH sending
  • Added support for disk-backed Sparkplug bdSeq numbers


  • Added NPE protection on handling of null tag configs
  • Fixed Topic token validation in config operations
  • Fixed potential deadlock when pushing payloads under heavy load




  • Optimized 'rebirth' publishing to not rescan the tag tree
  • Added force sending of pending publish before DDEATH sending
  • Added support for disk-backed Sparkplug bdSeq numbers


  • Added NPE protection on handling of null tag configs
  • Fixed Topic token validation in config operations
  • Fixed potential deadlock when pushing payloads under heavy load




  • No new features


  • No Fixes






  • No new features


  • No Fixes




  • Added support for DateTime Arrays and String Arrays

  • Logging improvements/cleanup


  • Fixed issue with file transfers of files with invalid characters in the filename
  • Fixed issue with BED Edge Node names
  • Fixed issue with Tags not getting updated
  • Fixed issue with nested property sets




  • Added support for DateTime Arrays and String Arrays
  • Added validation to Transmitter record creation to ensure duplicate Sparkplug Edge Node descriptors don’t collide


  • Fixed issue with history lost on MQTT Transmission info tags
  • Fix for newly added device tag folders
  • Fix for Error_TypeConversion error
  • Fixed issue with UDT name matching




  • No new features


  • No Fixes




  • No new features


  • No Fixes




  • No new features


  • No Fixes




  • Added session token auto-refresh


  • No Fixes




  • No new features


  • No Fixes




  • No new features


  • No Fixes




  • No new features


  • No Fixes




  • No new features


  • No Fixes




  • No new features


  • No Fixes






  • Improvements to handling of redundancy synchronization after record updates


  • No Fixes




  • Added support for the Ignition tag 'enabled' property to be dynamically handled

  • Modified MQTT Engine to not update tags if the incoming metric value is older than the current tag value
  • Improvements to handling of redundancy synchronization after record updates
  • Logging improvements


  • Fixed NPE related to logging
  • Added rebirth request when Engine receives unknown alias for a metric in a DATA message
  • Fixed issue that caused 'writable custom namespace tags' to become unwritable after a module restart
  • Fixed handling of deleted Elecsys Edge Nodes

  • Added NPE protection around Engine shutdown when Engine itself is disabled via its own config

  • Fixed the validator for the 'Root Tag Folder' to allow slashes in the tag folder




  • Modified the 'Auto-Connect RPC client' default to false
  • Added support for the Ignition tag 'enabled' property to be dynamically handled
  • Improvements to handling of redundancy synchronization after record updates
  • Logging improvements
  • Added support for the new Sparkplug STATE JSON based payloads


  • Fixed issue that prevented UDTs with 'overlapping metric names' from being properly handled
  • Fixes to synchronization in the RAM based Store and Forward mechanism
  • Fixed config keys for the Transmission 'File Records'
  • Fixed concurrency issues around BIRTH building in some complex UDT scenarios




  • Improvements to handling of redundancy synchronization after record updates


  • No Fixes




  • Improvements to handling of redundancy synchronization after record updates


  • No Fixes




  • Modified config descriptions to better match the new Azure IoT Central documentation
  • Added in-editor help text for the Azure IoT Central Python configuration API
  • Improvements to handling of redundancy synchronization after record updates


  • No Fixes




  • Improvements to handling of redundancy synchronization after record updates


  • No Fixes




  • Improvements to handling of redundancy synchronization after record updates


  • No Fixes




  • Improvements to handling of redundancy synchronization after record updates
  • Added support for SUCOR type applications


  • Prevent the one-short record poll after reconnect when in persistent mode




  • Added dynamic configuration handling for global definition updates for meter and periodic mappings
  • Improvements to handling of redundancy synchronization after record updates


  • Fixed potential NPE when polling for periodic, minute, and daily history

  • Fixed issue that results in occasional 'History Request Failed' errors
  • Fixed potential issue with NPEs in ROC request/response handling




  • No new features


  • No Fixes




  • Improvements to handling of redundancy synchronization after record updates


  • No Fixes






  • No new features


  • Fixed Python Scripting API bug around updating Users




  • Added Tag Path validation to configuration

  • Removed an unnecessary 'back' link in the Custom Namespace String Conversion page
  • Added Engine Info tags for tracking the count of re-ordered messages when enabled
  • Added a 'force redundancy sync' after the Primary Host ID is changed, enabled, or disabled via control tags
  • Added a feature to allow Engine to hold off on publishing the Host STATE message until conditions are met



  • Added NPE protection when handling Aliases
  • Fixed Elecsys namespace Edge Node ID filtering
  • Fixed handling of Custom Namespace JSON tags to prevent unnecessary/improper reconfiguration of tags
  • Added NPE protection to aliased metrics when handling tag writes
  • Added NPE protection when 're-ordering messages' that could prevent Edge Nodes from showing as online
  • Fixed issue with property updating in UDT members that are in member UDTs and folders
  • Fixed Elecsys namespace handling of SINT16 data types




  • Added a 'Friendly Name' configuration option for File Records
  • Added a 'File Scan Rate Time Unit' configuration option for File Records to allow for faster scans
  • Added additional info tags for File publishing including 'Files to Auto-Publish', 'Remaining Retries', and 'Reset'
  • Improved thread naming for File Publishers to make them more identifiable
  • Added Tag Path validation to configuration
  • Added support for treating 'Device level UDTs' as devices when converting UDTs
  • Improved Birth caching to increase performance
  • Optimized caching to reduce overall memory footprint
  • Removed excessive calls to 'getTagConfigsAsync' to increase performance


  • Fixed retry logic when publishing files
  • Added NPE protection when handling Aliases
  • Fixed an issue where updating a File Configuration could result in removing or resetting file info tags
  • Fixed issue with birth caching logic that produced failures in flushing history when flushing in-order
  • Added NPE protection when updating Transmission Info tags
  • Fixed issue that could result in DATA messages being published before the BIRTH sequence when flushing history in-order
  • Fixed startup/shutdown synchronization that could result in thread leaks
  • Fixed issue when flushing in-order that could result in an endless loop with many devices
  • Fixes to Edge Node discovery to ensure discovery and status flags update properly
  • Fixed issue with Transmission publishing incorrect (newer) metric timestamp in Birth message when using in-order/RAM store and forward
  • Added NPE check when shutting down Transmission clients
  • Fixed RejectedExecutionException that could occur when deleting tags Transmission was publishing
  • Fixed potential double DEATH publishes that could occur on device folder removal




  • Added Python scripting API for scripted configuration


  • No fixes




  • Improved Birth caching to increase performance
  • Removed excessive calls to 'getTagConfigsAsync' to increase performance


  • Fixed startup/shutdown synchronization that could result in thread leaks
  • Fixed issue that could result in the Push Policy reverting back to 'Push to All'




  • Improved Birth caching to increase performance
  • Removed excessive calls to 'getTagConfigsAsync' to increase performance


  • Fixed startup/shutdown synchronization that could result in thread leaks
  • Fixed issue that could result in the Push Policy reverting back to 'Push to All'
  • Modified scripting API to use 'AzureSetId' instead of 'AzureSet' for Set key names




  • Added TCP port number configuration option for connecting to Google IoT Core
  • Improved Birth caching to increase performance
  • Added Python scripting API for scripted configuration
  • Removed excessive calls to 'getTagConfigsAsync' to increase performance
  • Added a 'max throughput' configuration option to throttle data flowing to Google IoT Core


  • Fixed startup/shutdown synchronization that could result in thread leaks
  • Fixed issue that could result in the Push Policy reverting back to 'Push to All'




  • Improved Birth caching to increase performance
  • Added Python scripting API for scripted configuration
  • Removed excessive calls to 'getTagConfigsAsync' to increase performance


  • Fixed startup/shutdown synchronization that could result in thread leaks
  • Fixed issue that could result in the Push Policy reverting back to 'Push to All'




  • Added Tag Path validation to configuration


  • Fixed meter type handling during auto-discovery when using applications other than AGA3, SUAGA3, AGA7, and SUAGA7




  • Added Tag Path validation to configuration


  • No fixes




  • No new features


  • No fixes




  • No new features


  • No fixes




Release notes for earlier module versions available here