Version 6.3.0

Released on 4th of June 2026

This release includes the new features released with Frends 6.3, listed in New Features.

On-premise Cross-platform Agents require .NET Runtime 10.0.5 or newer to be installed.

UI & Log Service

Improvements & changes

• It is now possible to provide a description for Environment Variable groups during creation
• The UI and Log service now run on .NET 10
• Processes are compiled to target .NET 10
• Improved visualization of current execution state of Long Running Processes
• It is now possible to configure the AI Connector to use MCP Tools
• Process Editor now has support for MCP Triggers
• OpenAPI 3.1.1 is now supported and the default option for API Management
• API Policies now support both public and non-public access at the same time
• API Keys page now shows effective/linked API policies
• API Policy page now allows searching/filtering API Keys
• Added Platform API endpoint for finding the effective API Policies for a specific path
• Expression shapes now support using async code directly
• Log Service now uses Microsoft.Extensions.Logging instead of log4net
• The default NumberOfMessageProcessingThreads for the Log Service has also been increased from 2 to 4
• Improved HTTP Log viewing performance
• Added notification about upcoming Legacy Agent retirement
• It is no longer possible to create new Legacy Agent groups to prevent accidental use
• Added Agent registration modes with support for Kubernetes Stateful sets
• Non-running Agents no longer receive configuration update messages, instead they are synchronized when started to speed up startup
• AI Connector reasoning is now opt-in to allow for smaller token usage
• Removed #process.SendTcpMessage from statement code shape code completions
• Added mTLS authentication configuration to RabbitMQ Trigger
• Code shape names are now validated for duplicates
• Updated Welcome page links
• Tutorials 3 and 4 are now enabled for users with editor permissions

Bug fixes

• Fixed issue with Process Instance duration being shown as undefined
• Fixed issue with parallel branch executions being executed causing blocking
• Redundant attachment type removed for AI connector parameters, this is deduced dynamically at runtime
• It is no longer possible to copy-paste Long-running Process Checkpoints to Subprocesses
• Fixed issue with Private Application claims with array values being generated in the wrong format
• Fixed issue with Process Editor validation requiring an Intermediate Return on Exclusive Decision branches that end with a Throw shape

Agent

Improvements & changes

• The Cross-platform Agent now runs on .NET 10
• The Cross-platform Agent has rearchitectured Remote Subprocess handling, instead of having a session handler per-Process execution, the sessions are per-Agent and are routed internally to the correct execution
• Increased NumberOfMessageProcessingThread default value from 2 to 4 to increase Remote Subprocess processing throughput
• Agent AppData is now stored and automatically migrated to the Frends Technology company path instead of HiQ Finland
• To support MCP Tool calling, the Agent now acts as the AI client when using Frends AI models instead of relying on the UI to act as the client
• Added Process execution tracing and metrics for OpenTelemetry exporting
• Added support for mTLS authentication for RabbitMQ Trigger
• The Cross-platform container image is now a hardened rootless container image

Bug fixes

• Added retry logic to Azure Service Bus Message receiver for sessions
• Added option for Cross-platform Agent to enable Managed networking for SqlClient to prevent SqlConnectionPool resource starvation
• Fixed issue with Agent configuration empty ports configuration overriding Kubernetes environment variable configuration