CHANGELOG.md

Changelog

All notable changes to A2UI Bridge will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

0.1.0 - 2025-01-XX

Added

Core Protocol (@a2ui-bridge/core)

• A2UI Protocol message processor with surface management
• Data model binding with path resolution
• Component type guards and TypeScript definitions
• Support for all A2UI component types: Layout, Input, Display, Interactive

React Bindings (@a2ui-bridge/react)

• Surface component for rendering A2UI trees
• useA2uiProcessor hook for message processing
• Adapter pattern with createAdapter(), extractValue(), createActionHandler()
• Component registry system for pluggable UI libraries

ShadCN Adapter (@a2ui-bridge/react-shadcn)

• 30+ component adapters for ShadCN/Tailwind
• Full Tailwind CSS styling support
• Dark/light mode theming
• Accessible component implementations

Mantine Adapter (@a2ui-bridge/react-mantine)

• 76 component adapters for Mantine UI
• Complete Mantine theme integration
• Enhanced form components with validation
• Rich data display components (Table, Timeline, Accordion)

Demo Application (apps/demo)

• Interactive AI-powered UI generation demo
• Multi-provider LLM support (Anthropic Claude, OpenAI GPT, Google Gemini)
• Real-time streaming progress feedback
• Protocol viewer for debugging A2UI JSON
• Composable Snippets system for faster generation
• MCP server for Claude Desktop integration
• Design system toggle (Mantine/ShadCN)
• Generation mode selector (Fast/MCP Enhanced)

Documentation

• Comprehensive README files for all packages
• MCP server with component schemas and layout patterns
• Architecture documentation with data flow diagrams

Technical Details

LLM Provider Support

Provider	Model	Capabilities
Anthropic	claude-opus-4-5-20251101	Streaming, Vision, Functions
OpenAI	gpt-5.2	Streaming, Vision, Functions
Google	gemini-3-pro	Streaming, Vision

Component Categories

• Layout: Row, Column, Card, Grid, Tabs, List, Accordion
• Input: TextField, Select, Checkbox, Slider, DateTimeInput
• Display: Text, Image, Icon, Badge, Avatar, Progress
• Interactive: Button, Modal, Menu, Tooltip

Deployment

• Vercel serverless functions for API proxy
• Edge-optimized static assets
• SPA routing configuration

Fixed

• JSON parsing for AI responses with markdown code fences
• Select component option handling and value extraction
• Component mapping for MCP Enhanced mode
• Visual hierarchy and text styling
• Dark mode consistency across components
• Favicon support for dark/light modes

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Unreleased

Planned

• Additional component adapters
• Enhanced data binding features
• Performance optimizations
• Additional LLM provider integrations

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