# Changelog All notable changes to the Universal Deep Research Backend (UDR-B) will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). ## [1.0.0] - 2025-07-15 ### Added - Initial release of Universal Deep Research Backend (UDR-B) - FastAPI-based REST API with streaming responses - Intelligent research capabilities using LLMs and web search - Multi-model support through compatible APIs (OpenAI, NVIDIA, local vLLM) - Tavily API integration for web search functionality - Session management with persistent research sessions - Advanced FrameV4 reasoning framework - Dry run mode for testing with mock data - Comprehensive configuration system with environment variables - Real-time progress updates via Server-Sent Events - CORS support for frontend integration - Logging and tracing capabilities - Mock data for development and testing ### Technical Features - `/api/research` endpoint for comprehensive research workflow - `/api/research2` endpoint for advanced FrameV4-based research - Modular architecture with configurable components - Support for multiple LLM providers and models - Environment-based configuration management - Setup script for easy deployment - Comprehensive error handling and validation ### Documentation - Complete README with setup and usage instructions - API endpoint documentation - Configuration guide - Troubleshooting section - Disclaimer for research/demonstration use ### Research/Demonstration Focus - Prototype implementation for AI research concepts - Experimental features for academic research - Not intended for production use - Comprehensive legal disclaimer included --- ## Version History - **1.0.0**: Initial research prototype release