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OPC Router Release Notes

Learn about the latest functionality in OPC Router and review past version history. Existing users on an active support agreement can upgrade to current version at no additional cost, but are STRONGLY ENCOURAGED to read our Upgrading to OPC Router V5 Best Practices guide.

OPC Router Product Website | OPC Router Latest Version Download

OPC Router V5.5

  • Modernized core platform
    • Updated local database and core framework for better performance, security, and long-term support.
  • New Snowflake Database Plug-In
    • Native Snowflake connectivity with dedicated transfer objects and triggers, enabling direct integration with cloud data warehouses and analytics platforms.
  • MQTT Connection Pooling & Metrics
    • MQTT Client plug-in now supports connection pooling, improved Client-ID logic, and operational metrics (connections, messages, errors) for easier scaling and monitoring.
  • Last Payload Storage for MQTT Topics
    • Optional feature to persist the most recently transmitted payload per topic locally, retrievable via a new Storage Read Transfer Object; ideal for “last known value” patterns and diagnostics.
  • Advanced MQTT 5 Workflow Features
    • User Properties in Publish/Subscribe for metadata like payload format
    • Response Topic for request/response patterns over MQTT
    • Correlation Data to match responses with their originating requests
  • JSON Schema Plug-In for ETL
    • Define and manage JSON Schemas that can be used as templates for creating, reading, and validating JSON in the JSON ETL tooling, improving data quality and interoperability.
  • Improved Tag Browsing & Grid UX
  • REST Enhancements (MCP capabilities)
    • REST Server plug-in now features a dedicated MCP Server tab with an activation switch and configuration options.

OPC Router V5.4

  • New "Everything" Enterprise Subscription price point
  • Version Control

    • Config files now stored in YAML format, with automatic versioning using embedded Git provides accountability.

    • When combined with the redundancy improvements, synchronization of projects between systems can be automated and incorrect configurations can be reversed in seconds

  • Secure Redundant Configuration Synchronization

    • We know that passwords can end up in versioned configs, so we kept them out of YAML files and stored centrally, encrypted and managed

    • Redundant OPC Router pairs communicate over encrypted and password protected HTTPS links

  • Scalability Improvements

    • DevOps, CI/CD Empowerment - Achieve automated configuration & containerized rollout at scale

      • YAML project format files with Git versioning gives application dev teams flexibility

      • Licensing via Environment Variables for automated deployments. 

    • OPC Batch Reads with Template support - many possibilities that significantly speed of large OPC DA or UA Server reads, such as

      • Read "x" parameters from machines 1 to N with one transfer object 

    • OPC Read Multiple complete subdirectories and subfolders of OPC DA or UA servers can be read in one step with powerful filtering options on what to include and exclude from the read

    • Redundancy Experience Improvements 

      • Automatic project synchronization 

      • Redundancy status display added 

      • Secure communications between instances 

    • Improved handling of complex cloud data formats with the JSON transform object and JSONata 

  • Management & Optimization Improvements

    • Expanded Transparency around plug-in activity & performance yields faster bottleneck and problem diagnosis and resolution 

    • Built-in health dashboard and services status view with configurable diagnostic data retention policies

    • Jump straight to the Status View from a workflow to check operations health

    • Application Telemetry data export to OpenTelemetry for use with Datadog, Grafana, Prometheus and others supporting the OpenTelemetry standard 

    • Unpublished changes to plug-ins are shown with a new icon in the publishing view

    • Enhanced spacing, responsiveness, and overall behavior in the browser interface

    • Selected language is now stored per users 

  • Additional OPC UA support

    • OPC UA Historical Data Support for reading out data including aggregations, added to standard OPC UA client object

  • Documentation

    • Benchmark example use cases are now included

  • Plug-Ins - various bug fixes, contact support if you have a specific concern, but also these functional improvements

    • CSV ETL Tool added option to specify and read headers in a file

    • Email Plug-in supports CC: email addresses

    • Formula & Calculator Plug-In: If the value of the variable is changed, the calculation formula is changed immediately and a new result is returned.

    • OPC UA Server Plug in: progress indicator when downloading from a nodeset and various UI improvements 

    • REST Client Plug-In: transfer object UI has been made more dynamic. Info icons have been added and the dialog has been divided into several tabs. The parameter table has been split into different parameter types.

    • Windows Printer Plug-in: Added option to perform a test print, Undo/Redo buttons added along with familiar keyboard shortcuts.

  • Legacy thick-client management has been removed, all configuration management, troubleshooting is now done via the secure browser interface

OPC Router V5.3

  • NEW Cloud File Access Plug-In empowers access to Azure & Amazon S3 cloud storage with trigger to monitor for changes - expands integration of file based systems like laboratory instruments

  • OPC UA 1.05 support with expanded features in MQTT and PubSub

  • Ability to change execution priority on connections (Normal, High, or Low) 

  • MQTT Topic Browser reduces configuration time by retrieving topics list from MQTT brokers

  • InfluxDB2 Plug-In Performance & Compatibility Improvements: compression, batched inserts, adjustable target data type, options for how zeros are handled

  • Transfer order is now displayed in design mode.

  • Optimize large scale applications using OPC Router operating data exposed through Open Telemetry that can then be monitored or visualized in Grafana, Prometheus, Power BI, Splunk, etc.  

  • New secure redundancy mode 

OPC Router V5.2 

  • PostgreSQL Connector 

  • User Security Roles for control over who can manage project changes
    • Admin: Has access to all functions and settings of the OPC Router
    • Editor: Can edit connections and templates, manage data points and activate OPC Router applications
    • Observer: Can only view the status of OPC Router connections and logs from the past
  • Improved Database trigger object
  • New JSON Transformation Object to eliminate need for scripting with complex JSON data set extractions and queries
  • SAP Connector Improvements
    • SAP RFC and IDoc calls can now output a JSON document which when paired with the new JSON Transformation Object saves time when integrating SAP data to external systems
    • IDoc support for specifying SAP Queue Names - since IDocs are asynchronously processed, specifying an SAP FIFO Queue name helps you manage order of processing on the SAP side. 

OPC Router V5.1 

Existing users on an active support agreement can upgrade to V5.1 at no additional cost, but are STRONGLY ENCOURAGED to read our Upgrading to OPC Router V5 Best Practices guide.

  • New and improved online manual replaces PDF manual with extensive and detailed content  - OPC Router Online Manual
  • Multi-select editing: Select and edit multiple transfer objects & triggers simultaneously. Also Move/shift, copy, paste, cut, and delete 
  • Touchscreen friendly editing of configurations from the new V5.x browser UI
  • Plug-ins that were not part of V5 are now available in V5.1
    • RFID Reader
    • Barcode Reader
    • Charm Plug-in
    • Heidenhan Plug-in
    • EUROMAP 77
    • SQLite Plug-in
  • OPC UA client tag browser now shows data types while browsing to make it easier to choose the right tag(s)
  • Email Priority settings supported in Email Plug-In
  • Helm Chart for OPC Router V5.1 available for Kubernetes deployment of containers

OPC Router V5 

Existing users on an active support agreement can upgrade to V5 at no additional cost, but are STRONGLY ENCOURAGED to read our Upgrading to OPC Router V5 Best Practices guide.

NOTE: The following plug-ins are not available in v5: RFID, Barcode Reader, Heidenhain, SQLite, Charm, EUROMAP 77. If you are using any of these plug-ins we recommend staying on version 4.28. These will be supported in future versions of the v5.x, with the goal being v5.1.

OPC Router V5 is a major update to the product to expand it's platform independent premise to edge execution capabilities. 

  • New browser based configuration, runtime management and troubleshooting user interface
    • Configure from anywhere, securely 
    • OPC Router native authentication or Azure Active Directory (DA) authentication
    • Manage edge nodes running in Docker without a Windows PC - connect to the runtime with a browser and authenticate
    • By popular demand, Undo and Redo support! 
    • The existing thick client configuration UI is still available and supported. 
  • Multiple-user support with notifications when someone else is editing an item and committed changes are shown live
  • Improved Status View with easier access to viewing the values in transit between workflow steps and more to help with monitoring and troubleshooting workflows

OPC Router V4.28

This version significantly expands OPC Router's MQTT capabilities and adds more cloud options and more flexible triggers, and reduces the cost of using OPC Router as an OPC UA server.  Also available is a new subscription pricing option that provides the most common OPC Router functionality at a very attractively priced annual subscription cost. 

As with all versions after V4.25, users that are upgrading from a version of OPC Router older than V4.25 are strongly advised to review our How To Upgrade FAQ before downloading and installing this update, as depending on the complexity of your configuration, additional planning may be required because of changes made in Version 4.25, that are also a part of this release. 

Users on active support & maintenance agreements can upgrade to this new version free of charge unless you want to license new features that you have not already licensed. If you need to add any features or have questions, contact us.

  • MQTT Capability expansion - The OPC Router's MQTT client adds:
    • Sparkplug A & B support through a new MQTT Sparkplug plug-in 
    • MQTT 5 support
  • Other Cloud Connections
    • Oracle Cloud Database connections supported in the OPC Router Oracle Plug-in using the Oracle Cloud Wallet
    • Wago IoT Cloud Profile in the MQTT connection
  • New Triggers for added flexibility
    • Database State Transfer trigger enables OPC Router to be notified of table content changes. OPC Router can receive notification or notification + changed data and handshake write back to the database to a transfer state column to signify OPC Router has received the data. Avoids polling the database for changes which improves performance. 
    • Global Variable Trigger - reduces need for scripting by setting a global variable from visual workflows when some data change occurs, and having that global variable then be a trigger for other data transfers or actions to occur. 
  • Other Enhancements
    • Hardware TPM ( trusted platform module V2.0) licensing for docker containers running on edge devices that do not have internet access
    • Docker portainer management container can now also be published automatically
    • Project export in YAML (available in expert mode) for use with version control systems
    • REST plug-in can transfer files in binary format 
    • OPC UA Triggers and Transfer Objects can be used with the OPC UA Server plug-in license without having to also buy the OPC UA client license, making it easier to use OPC Router as an OPC UA Server, including OPC UA methods

OPC Router v4.27

In V4.27, OPC Router continues to expand on its already comprehensive OPC UA implementation. Specifically, this release boasts the new OPC UA Pub/Sub Plug-In and the UA Cloud Library function. V4.27 also adds to its Docker support.

As with all versions after V4.25, users that are upgrading from a version of OPC Router older than V4.25 are strongly advised to review our How To Upgrade FAQ before downloading and installing this update, as depending on the complexity of your configuration, additional planning may be required because of changes made in Version 4.25, that are also a part of this release. 

Users on active support & maintenance agreements can upgrade to this new version free of charge by downloading the current trial installer, which will also upgrade existing systems, unless you want to license new features that you have not already licensed. If you need to add any features or have questions, contact us.

Improvements and new features in Version 4.27
  • OPC UA Companion Specifications (OPC UA CloudLib) Support
    • Provides a collection of available OPC UA Companion Specifications from the OPC Foundation
    • Ability to easily implement Companion Specifications into the OPC UA Server interface
    • Users can reference any cloud library of OPC UA Companion Specifications, not just those from the OPC Foundation
    • UA Cloud Library can even access an individual company's own libraries 
  • OPC UA Pub/Sub Plug-in
    • Implements OPC UA publish and subscribe communication as a licensed plug-in
    • Enables n-to-m relations in OPC UA communication
  • Docker Sample and Helm-Chart
    • Expanded on the Docker support initially added in V4.26
    • Now includes pre-built Docker container scripts
    • For Kubernetes users, a ready-configured Helm-Chart is now available

OPC Router v4.26

OPC Router Version 4.26 is focused primarily on the addition of support for running OPC Router in Docker Container instances, providing scalability and access to edge devices.

If you are upgrading from a version of OPC Router older than V4.25 are strongly advised to review our how to upgrade FAQ before downloading and installing this update as depending on the complexity of your configuration, additional planning may be required because of changes made in Version 4.25, that are also a part of this release. 

Users on active support & maintenance agreements can upgrade to this new version free of charge by downloading the current trial installer which will also upgrade existing systems, unless you want to license new features that you have not already licensed. If you need to add any features or have questions, contact us.

Improvements and new features in Version 4.26
  • Remote configuration & management of multiple OPC Router instances
    • Can be used on any Windows instances
    • Default for docker instances
    • Multiple users can be configured
  • Docker support
    • Deploy OPC Router Runtimes to Docker containers on any Docker supported platform
    • Put OPC Router functionality on edge devices
    • Scale up OPC Router projects with Docker containers
  • Enhanced InfluxDB support
  • Improved referencing of external libraries used in projects & scripts
    • Referenced files can now be included with project export for ease of moving projects to other systems
    • Central library can be specified
  • Improved help file & welcome page upon launch to help users get started more quickly.

OPC Router v4.25

OPC Router Version 4.25 is a major release with many new features. 

Existing users are strongly advised to review our how to upgrade FAQ before downloading and installing this update as depending on the complexity of your configuration, additional planning may be required.  

  • Improved Performance and Functionality 
    • Plug-ins and connection settings can be changed & activated without a service restart. 
    • OPC Router 4.25 uses the NoSQL MongoDB database for it's internal database speeds performance 
    • PFX certificate support for secure connections, Zipher protocol support for Videojet printers, InfluxDB improved null handling, Apache Kafka SASL support & more 
  • New Add-Ons 
  • Updated Licensing
    • Starting with this version, licenses can be activated from within OPC Router or offline through the OPC Router Licensing portal from another computer
    • Active licenses, install location based on what you enter on activation, and maintenance agreement expiration details available
    • Optional Subscription Licensing Bundles now available