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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
When installing Cirrus Link modules in Ignition, all module versions must match. If they are not, class loading issues may result in system instability. Always make sure all Cirrus Link module versions match in an Ignition Gateway.

Cirrus Link Modules for Ignition 8.3


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  • 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
  • No fixes
  • 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
  • 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
  • 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
  • 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
  • No new features
  • No fixes
  • 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
  • Fixed potential concurrency issues in BIRTH building
  • Fixed potential NPE during BIRTH building reconciliation
  • 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
  • Fixed potential concurrency issues in BIRTH building
  • Fixed potential NPE during BIRTH building reconciliation
  • 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
  • Fixed potential concurrency issues in BIRTH building
  • Fixed potential NPE during BIRTH building reconciliation
  • No new features
  • 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
  • Not available yet
  • Not available yet

Release notes for earlier module versions available here

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