Sitefinity Release Notes

What's new

• MCP Tools invoked by Sitefinity AI agents

Sitefinity AI agents can now invoke structured MCP (Model Context Protocol) tools as part of AI-driven workflows when responding in the DX Assistant's chat interface. MCP tools enable the AI agents to safely perform actions on Sitefinity content through the chat interface or when generating content and page recommendations. This unlocks new generation of agentic experiences that combine conversational AI with Sitefinity platform capabilities. Learn more...

• DX Assistant in Sitefinity CMS backend

Introducing DX Assistant - a new AI-powered chat experience directly integrated into Sitefinity CMS backend. DX Assistant serves as the interaction hub for Sitefinity AI agents, enabling users to engage with AI through natural language and execute a wide range of content-related and platform-related tasks. This new interaction model extends AI capabilities beyond content editing and unlocks broader AI-assisted workflows. Learn more..

• Sitefinity MCP Server

Sitefinity MCP Server lays the foundation for agentic AI experiences by connecting Sitefinity AI agents with Sitefinity platform capabilities. The MCP Server exposes structured MCP tools, through which the AI agents can securely access and perform Create, Read, Update, and Delete (CRUD) operations on Sitefinity content, as part of action-related AI workflows. Learn more...

NOTE: To use the DX Assistant and Sitefinity MCP server in ? self-hosted Sitefinity CMS or Sitefinity Cloud setup, you must have an active Sitefinity AI subscription.

• Customize indexing for Progress Agentic RAG

Gain greater control over AI knowledge retrieval with support for custom indexing implementation. You can now replace the default indexing provider with your own implementation to define exactly what content and metadata are indexed and sent to Progress Agentic RAG. Learn more...

Third-party libraries update

• Progress.Sitefinity.Centaur.All → 2026.2.713.462
• Progress.Sitefinity.Web.UI → 2026.2.708.462

What's fixed

• OData: Error in one property results in null values for the entire collection (592752)
• Pages: Cannot create sub-page in case of non-English backend language (592001)
• Translations: Download all files doesn't work when RefererValidation is disabled (593883)
• Search: Reindex of malformed PDF causes StackOverflowException (593162)