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Release 5.0 2026.04.21.1

· 3 min read

New Features 🚀​

RAG Metrics Guardrails​

Serenity Star now integrates with RAG Metrics as a guardrails provider for agent responses. You can monitor outputs against compliance violations, contextual relevance, and other quality checks before responses are delivered.

This gives teams a clearer way to evaluate response quality and enforce safer, more consistent agent behaviour.

RAG Metrics configured as a guardrails provider

Agentic File Processing for Volatile Knowledge​

Volatile knowledge files now support an agentic file processing mode. Agents can use the current conversation, chat history, and user intent to decide which files are relevant before retrieving content.

By narrowing retrieval to the files that matter most, this improves answer precision while reducing unnecessary token usage.

Agentic file processing for volatile knowledge sources

Enhancements ✨​

Refreshed Configuration UX​

Several platform configuration flows now use a clearer card-based experience. Replacing dense dropdowns with guided selection cards makes options easier to understand and quicker to compare.

Card-based configuration experience in the platform

Guided option cards with clearer explanations

Improved Error Logs for Skills and Workflows​

Agent Executor Skill and Workflow runs now provide more detailed failure logs. Instance details include clearer error information to help teams diagnose complex execution issues faster.

Detailed error logs for skill and workflow failures

Workbench Improvements​

Workbench session management has been improved for better performance, file persistence, and usage tracking. A sample prompt with advanced configuration examples is now included when adding a skill, making it easier to get better results from the start.

Workbench session and prompt configuration improvements

Bug Fixes & Minor Improvements 🛠️​

  • Improved validation for file uploads by URL. Invalid URLs now return Bad Request instead of generating a 500 error.
  • Fixed a redirect loop when two-factor authentication is enabled.
  • Fixed Markdown file uploads in the chat preview in Agent Design Studio.
  • Improved code snippets for importing the CSS-customizable Chat Widget.
  • Improved several empty states and corrected text across the platform.
  • Fixed an issue when duplicating agents that include datasets.
  • The HTTP Skill now supports sending a body with DELETE requests.
  • Fixed an issue related to token renewal in subscription plans.
  • Corrected the lockout icon color in the users table.
  • Improved the create-connection side panel so it no longer blocks when creation fails.
  • Fixed multiple issues in knowledge loading in the agent creation form.
  • Fixed a caching issue when enabling Skills in Serenity AI Chat.
  • Fixed an issue where the total token count was not displayed in the chat preview.
  • A modal is now shown when users try to access old invoices that are no longer available, prompting them to contact support.
  • Added clearer guidance for using CSS in the Chat Widget.
  • Added skills to integrate with Fathom.