v212026-05-04

Changelog v21: Agent Flows, Payments & Observability

Version 21 introduces robust agent flow execution, integrated payments, full observability, and a refactored blog with enhanced SEO.

This release is the culmination of about a month of focused development. This version focuses on flow execution logic and backend improvements, and includes robust changes to our database schema. Here is the breakdown of the changes:

Major Features & Improvements

  • Observability: Integrated observability, added user action instrumentation, UTM tracking, and annonimized data handling.
  • Payments: Integrated payment gateway, added billing plans, checkout flow, invoices, and payment processing APIs.
  • Blog & Content: Refactored blog components and pagination, added initial post support, enhanced SEO metadata, added structured data, and added dynamic ToC to blog pages.
  • Agent Flow:
    • Added new nodes: UserChatOutputNode, UserChatInputNode, TextSummarizerNode, TextGeneratorNode, and ToolCallingNode.
    • Refactored agent prompts, schema, and node connections.
    • Enhanced flow sidebar with drag-and-drop capabilities and improved UI feedback.
    • Improved agent chat styling (markdown highlight, responsive mobile chat, copyable responses).
    • Backend Improvements: Implemented robust step handling, improved flow execution logic, added v2 flow handling, and fixed tool calling format errors.
  • UI/UX Enhancements:
    • Redesigned agent creation and user profile interfaces.
    • Streamlined checkout form with regional support.
    • Added Security and Privacy documentation.

Technical & Refactoring

  • Database & Architecture: Internal schema updates and code refactoring for improved stability and type safety.
  • Performance: Implemented optimized caching for static assets and user avatars.
  • Improvements: Various enhancements to UI components, layout alignment, and mobile responsiveness.
  • Fixes: Resolved issues in analytics tracking, payment checkout, and backend connectivity.