> For the complete documentation index, see [llms.txt](https://docs.frends.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.frends.com/release-notes/frends-6.3/version-6.3.0.md). # Version 6.3.0 This release includes the new features released with Frends 6.3, listed in [New Features](/release-notes/frends-6.3/new-features.md). {% hint style="info" %} On-premise Cross-platform Agents require .NET Runtime 10.0.5 or newer to be installed. {% endhint %} ## 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 Management 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 --- # Agent Instructions This documentation is published with GitBook. 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