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Flow 7.1

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7.1.6 | October 24, 2025 | Build 7.1.6480.1190

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What's New in 7.1.6?

Version 7.1.6 is a Patch release that includes a number of performance improvements and bug fixes.

  • Measure and Calculation Handling

    • Fixed an issue where calculations referencing MeasureLimits failed when the referenced limit was linked to another MeasureLimit

    • Corrected dependency resolution for multiple MeasureLimit relationships not being added to calculation dependencies

    • Resolved an error when recursively updating folders containing multiple measures with interlinked limits

    • Addressed a problem with bulk instantiation of measures linked to event attributes in their context

    • Fixed template update issues involving nested measures where a child measure lacked a configured model attribute

    • Fixed locking behavior that removed “Set to Measure” configurations when changing measure retrieval type

  • Time and Event Processing

    • Fixed duplicate key errors when processing measure time periods for multiple calendar contexts

    • Corrected errors related to time period creation

    • Resolved issues when purging time schemes

    • Adjusted event triggers to correctly include manually ended events

    • Fixed a bug where template updates moved events back to the default engine backfill date

  • User Interface & Configuration Tools

    • Fixed crash in configuration tool when resolving refresh trigger dependencies

    • Improved Time-Based Comparison Table to properly display columns and nested columns when multiple model attributes are used in headers

    • Corrected issue where opening a tag from the deployment view multiple times created duplicate windows

    • Updated PostgreSQL data source definition to use the correct editor

    • Fixed missing null check in Data Preview when measureTimeScheme is not defined, preventing chart pen errors

    • Addressed additional stability issues in the Data Preview module

  • APIs and Data Models

    • Fixed tag data endpoint to properly handle string tag values (previously unsupported in MeasureValue model)

    • Enhanced model import reliability

    • Adjusted database schema: InstantiatedName fields in Metric, EventScheme, and MetricFolder tables increased from nvarchar(400) to nvarchar(max)

    • Public API fix: Event Data endpoint now correctly returns the actual event start time rather than the query start time
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7.1.5 | August 31, 2025 | Build 7.1.5395.1010

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What's New in 7.1.5?

Version 7.1.5 is a Patch release that includes the new AI Gateway.

  • AI Gateway

  • Features

    • Added additional contextual information to the Measure Model and Data REST API endpoints.
    • Added "Show in Model" to Measure Collection Dependants.
    • Added "key-pair" authentication for the Snowflake Data Consumer (publisher).
    • Added ability to add comments in Message definitions.

  • Bug Fixes

    • Fixed an issue with the Portrait Table color provider.
    • Fixed an issue where model folders could not be deleted if an event had calculated attributes.
    • Fixed an issue where a manual calendar could not be added to an event trigger.
    • Fixed the ordering of events in event tables and forms.
    • Fixed an issue where the Engine's faulted queue was not being cleared in some conditions.
    • Fixed an issue where dashboards PDFs exports failed in some conditions.
  • Demo License
    • A new Demo license will be created for 14 days and include AI Gateway. 
  • Deprecated (since 7.1.3)
    • All legacy SQL views have been marked for deprecation.
    • All real-time Data Sources (e.g. MQTT, OPC UA, etc.) have been marked for deprecation. We recommend customers start migrating their real-time Data Sources to the new Timebase Historian and the new Timebase Historian Data Source.

 

7.1.4 | July 2, 2025 | Build 7.1.4049.1120

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What's New in 7.1.4?

Version 7.1.4 is a Patch release that includes a number of performance improvements and bug fixes.

  • Performance
    • Optimized retrieval performance when querying the REST API for model attributes.
    • Optimized measure limit query to reduce Engine load.
    • Optimized template updates from a template server.
    • Optimized Engine measure threading to reduce process queue blocking.
    • Optimized data purging queries.
    • Updated measure value data inserts to use bulk SQL rather than Entity Framework.
    • Added quarantining of aggregated and "Set to Measure" measures.
    • Applied a number of additional database indexes for query performance.
  • Features
    • Added Windows Server 2025 Compatibility.
    • Added a context menu option to allows deletion of all non-template-linked objects.
    • Added Timebase Pulse authentication to the Timebase Historian Data Source.
    • Added Measure retrieval configuration properties to the information returned by the REST API.
    • Added negative hour offset to Calendar configuration to handle "previous day" start.
    • Restructured Data Sources menu for easier location.
  • UI Updates
    • Automatic (hover over) opening of tabs during various drag operations:NewSectionExpandFlow714-ezgif.com-video-to-gif-converter.gif
    • New Data Sources grouping:NewNavFlow714-ezgif.com-video-to-gif-converter.gif
    • Dragging of Model Attributes into fields:NewAttributeDragFlow714-ezgif.com-video-to-gif-converter.gif

  • Bug Fixes

    • Fixed an issue where the AVEVA Historian Data Source was not terminating correctly.
    • Fixed an issue where the Canary Historian Data Source was not terminating correctly.
    • Fixed an issue with the export of Time Based Form data to CSV.
    • Fixed an issue where the export of a PDF or Image of an Event Based Table failed (Docker).
    • Fixed an issue where the Integration Engine would skip Event Attribute values during a backfill.
    • Fixed an issue with the Snowflake Consumer parameter syntax.
    • Fixed an issue with Delta Retrieval aggregation where null values where converted to 0.
    • Fixed an issue with the OPCUA HDA continuation point retrieval.
    • Fixed an issue where Event Triggers where being linked to the incorrect templates.
    • Fixed an issue where users could name objects using reserved words.
    • Fixed an issue where Measures using Tag sources where not displayed in the Deployment View.
    • Fixed an issue where a Flow Model was failing to import during certain conditions.
  • Deprecated (since 7.1.3)
    • All legacy SQL views have been marked for deprecation.
    • All real-time Data Sources (e.g. MQTT, OPC UA, etc.) have been marked for deprecation. We recommend customers start migrating their real-time Data Sources to the new Timebase Historian and the new Timebase Historian Data Source.

 

7.1.3 | December 15, 2024 | Build 7.1.3850.1160

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What's New in 7.1.3?

Version 7.1.3 is a Patch release that includes a number of enhancements and bug fixes.

  • Technology
    • Updated to latest code libraries for performance and security vulnerabilities.
  • Features
    • Added raw data query capability to the Excel Data Source.
    • Added the ability to request transport compression to the Flow API.
    • Added the ability to add an image to a Dashboard Navigation component.
    • Added Topic and Payload properties to the Measure level for the MQTT Data Consumer.
    • Added a new Data Source to access data from the new Timebase Historian.
    • Added a "Show in Model" link to limit value configuration that is linked to another measure.
    • Added ability to display limit ranges on time-based table.
    • Added the ability to sort instantiated template metrics in chart sections.
    • Added additional Data Engine logs to support troubleshooting when required.

  • Bug Fixes

    • Refactored the way SQL-type Consumer queries are handled to prevent SQL injection and to resolve an issue with comments or attributes that contain single quotes. Note: There are known issues with the replacement of placeholders for EventAttributes, and the possibility that user queries contain parameters with names that conflict with the internally generated parameter names. If you experience either of these issues, please reach out to Flow Support for a hotfix module (this module will be officially released with the next Flow version). 
    • Fixed an issue where the Integration Engine was pushing the incorrect Measure Event Period values.
    • Fixed an issue where Measure Attributes were not being set correctly during a Template update.
    • Fixed an issue where Measure Limits were linked to incorrect Template during instantiation.
    • Fixed an issue where the new Canary v24 Datasource did not handle custom expressions.
    • Fixed an issue where the new Canary v24 Datasource would not reuse connections.
    • Fixed an issue where the Aggregation property on measures reset to Average during migration of the Canary Data Source to the Canary v24 Data Source.
    • Fixed an issue with the display of model attribute values in a time-based table.
    • Fixed an issue with the creation of a new Flow Database on Azure SQL.
    • Fixed an issue with the incorrect ordering of folders after template instantiation.
    • Fixed an issue where the Dashboard index treeview stopped rendering in certain conditions.
  • Deprecated
    • All legacy SQL views have been marked for deprecation.
    • All real-time Data Sources (e.g. MQTT, OPC UA, etc.) have been marked for deprecation. We recommend customers start migrating their real-time Data Sources to the new Timebase Historian and the new Timebase Historian Data Source.

 

7.1.2 | September 5, 2024 | Build 7.1.2750.840

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What's New in 7.1.2?

Version 7.1.2 is a Patch release that includes a number of bug fixes.

  • Technology
    • Beginning with version 7.1.0, .NET 8 is required.

  • Features

    • Ability to add epoch time placeholders to MQTT custom payloads.
    • Ability to add measure description placeholders to MQTT custom payloads.
    • Performance improvements when deploying and undeploying large models.

  • Bug Fixes

    • Fixed a number of issues with bulk template instantiation in the Config Tool.
    • Fixed an issue where certain Widget configuration would cause gauges to not display.
    • Fixed an issue with Event Attribute integration when the attribute value was null.
    • Fixed an issue with the Canary (v23) Datasource where dataset and tag name prefix were the same, Flow would interpret the tag reference incorrectly.
    • Fixed an issue where the limits of Templated measures on charts were displaying incorrectly.

 

7.1.1 | August 22, 2024 | Build 7.1.1736.1080

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What's New in 7.1.1?

Version 7.1.1 is a Patch release that includes a number of bug fixes.

  • Technology Update:
    • Beginning with version 7.1.0, .NET 8 is required.

  • Features:

    • Ability to load a CSV file of template mappings to instantiate a large number of items.
    • Included "Sample" Standard Deviation and "Sample" Variance aggregations.

  • Bug Fixes:

    • Fixed issue with the incorrect calculation of "Population" Standard Deviation and "Population" Variance when there was only one point in the population.
    • Fixed issue with measure event scheme processing not waiting for all timeslices to be available, which caused null values to be recorded.
    • Fixed issue with the API failing when asking for multiple measures that had the same attributes configured.
    • Fixed issue with boundary values being included incorrectly in Sum aggregation for Aveva Historian data source.
    • Fixed issue with Web Service data source not handling Json payloads that make use of "ignore null values".
    • Fixed issue with Web Service data source not converting to appropriate data types when retrieving data.
    • Fixed issue in MQTT data consumer where model attribute placeholders were not being replaced correctly in the output topic structure.

 

7.1.0 | August 1, 2024 | Build 7.1.0715.760

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What's New in 7.1.0?

Version 7.1 is a Service Pack release that includes a number of features, performance enhancements and bug fixes.

  • Technology update
    • 7.1.0 makes use of .NET 8

  • Features:

    • Relative referencing in calculations provides the ability to dynamically add dependencies to calculated measures. This feature enhances the useability of templated calculations across systems that have different equipment configurations.
    • The Flow REST API "charts" endpoint provides more information about chart usage and compliance.
    • Chart bottom sheet now provides configurable links to external resources.
    • Support has been included for the new Canary Historian v24 SDK

  • Bug Fixes:

    • Fixed issue with Event Chart PDF export.
    • Fixed issue with OPC HDA Datasource boundary value query.
    • Fixed issue with Integration Engine pushing incorrect Measure Event Period values.
    • Fixed issue with Shift Periods not obeying Daylight Saving change over.
    • Fixed issue with label value offset on column-based time series charts.
    • Fixed issue with bottom sheet display of wrong measure title for time-based portrait table.

  • Performance Improvements:

    • Template instantiation, including instance updates, specifically regarding Model Attributes
    • Ignition Datasource retrieval queries

Installation/Upgrade Instructions

Please follow these steps to install or upgrade your Flow System:

  1. Download the Flow installer
  2. Backup database, close Flow Config, stop the Flow Bootstrap service
  3. Install .NET 8, we recommend you install the Hosting Bundle
  4. Run the Flow installer
  5. Open Flow Config

If you previously installed the 7.1 Release Candidate, follow these final steps in Flow Config:

  1. Navigate to System > Modules
  2. Right click on the Module list and select Import
  3. Browse C:\ProgramData\Flow Software\Flow\Config\Packages and use Ctrl+A to select all modules within the folder. Click Open.
  4. The modules will automatically update, noted by the version number of each module.