# CleverAgents v3.6.0 and v3.7.0 Release Notes

## Overview

This document provides a comprehensive overview of features, enhancements, and improvements introduced in CleverAgents v3.6.0 and v3.7.0.

## v3.6.0 Release Summary

**Release Date**: January 2024
**Focus**: Advanced Context Management, Enhanced Security, Improved Observability

### Major Features

#### 1. Advanced Context Management
- **Context Tier Hydration**: Dynamic context loading with lazy loading support
- **Hierarchical Context**: Multi-level context inheritance and composition
- **Context Caching**: Intelligent caching with configurable TTL
- **Tier Prioritization**: Flexible priority chains for context resolution

#### 2. Enhanced Security Profiles
- **Layered Boundary Enforcement**: Multiple security enforcement layers
- **Input Validation Layer**: Schema-based input validation
- **Execution Boundary Layer**: Resource access restrictions
- **Output Sanitization Layer**: Automatic sensitive data redaction
- **Audit Layer**: Comprehensive security event logging

#### 3. Improved Observability
- **Comprehensive Metrics Collection**: Execution, resource, context, and security metrics
- **Distributed Tracing**: Full tracing support across multiple instances
- **Structured Logging**: Contextual logging with correlation IDs
- **Real-time Monitoring**: Live metrics and performance tracking

#### 4. Performance Optimizations
- **Parallel Execution Improvements**: Better resource management
- **Multi-tier Caching**: Memory and Redis backend support
- **Connection Pooling**: Improved connection reuse

### API Enhancements

New REST endpoints for:
- Context Management: `/api/v1/contexts`
- Security Profiles: `/api/v1/security-profiles`
- Metrics: `/api/v1/metrics`

### Migration Notes

- Old `get_context()` API deprecated in favor of `ContextManager.resolve_context()`
- Security profile YAML format updated
- Metrics collection API changed

See [v3.6.0 Features Guide](v3.6.0-features.md) for detailed documentation.

## v3.7.0 Release Summary

**Release Date**: March 2024
**Focus**: Terminal User Interface, Agent-to-Agent Communication, Enhanced Execution

### Major Features

#### 1. Terminal User Interface (TUI) Redesign
- **Modular Component System**: Reusable UI components
- **Responsive Layout**: Adapts to terminal size
- **Rich Color Support**: 256-color and true color support
- **Comprehensive Navigation**: Keyboard shortcuts and menu system
- **Session Management**: Built-in session browser and manager
- **Real-time Monitoring**: Live status updates and progress tracking

#### 2. Agent-to-Agent Communication (A2A)
- **JSON-RPC 2.0 Protocol**: Standards-compliant messaging
- **Multiple Transports**: HTTP, WebSocket, stdio, gRPC
- **Message Routing**: Intelligent agent routing
- **Error Handling**: Comprehensive error codes and recovery
- **Authentication**: Bearer tokens and mTLS support
- **Message Queuing**: Reliable message delivery

#### 3. Enhanced Automation Execution
- **Subplan System**: Hierarchical automation execution
- **Parallel Execution**: Execute multiple subplans in parallel
- **Conditional Logic**: Branch execution based on conditions
- **Error Recovery**: Automatic error recovery and rollback
- **Checkpoint System**: Create and manage execution checkpoints

#### 4. Advanced Skill Management
- **Skill Discovery**: Automatic skill discovery and registration
- **Skill Composition**: Compose multiple skills into workflows
- **Skill Versioning**: Manage multiple skill versions
- **Skill Testing**: Built-in skill testing framework

#### 5. Improved Developer Experience
- **Enhanced CLI**: New commands and better output formatting
- **Type-safe SDK**: Full type hints and documentation
- **Debugging Tools**: Enhanced debugging and logging
- **Better Error Messages**: More informative error messages

### TUI Features

The new TUI provides:
- **Automations Tab**: View, create, execute, and monitor automations
- **Sessions Tab**: Browse, export, and import sessions
- **Skills Tab**: Manage and test skills
- **Resources Tab**: Manage resources and connections
- **Settings Tab**: Configure TUI and system settings
- **Real-time Dashboard**: Monitor execution progress and resource usage

### A2A Protocol Features

- **Multi-Agent Orchestration**: Coordinate multiple agents
- **Workflow Management**: Define and execute complex workflows
- **Streaming Results**: Stream large data transfers
- **Batch Requests**: Execute multiple requests in batch
- **Error Handling**: Comprehensive error handling with retries

### Migration Notes

- Old TUI commands replaced with new `cleveragents tui`
- A2A protocol not backward compatible with v3.6.0
- Skill registration API updated

See [v3.7.0 Features Guide](v3.7.0-features.md) for detailed documentation.

## Documentation Structure

### v3.6.0 Documentation
- [v3.6.0 Features Guide](v3.6.0-features.md) - Comprehensive feature documentation with examples

### v3.7.0 Documentation
- [v3.7.0 Features Guide](v3.7.0-features.md) - Complete feature overview
- [v3.7.0 TUI Guide](v3.7.0-tui-guide.md) - Terminal User Interface comprehensive guide
- [v3.7.0 A2A Protocol](v3.7.0-a2a-protocol.md) - Agent-to-Agent Communication specification

## Upgrade Path

### From v3.5.0 to v3.6.0

1. Update context usage to use new `ContextManager` API
2. Update security profile YAML format
3. Update metrics collection code
4. Test thoroughly in staging environment

### From v3.6.0 to v3.7.0

1. Update TUI commands to use new `cleveragents tui`
2. Update A2A configuration if using agent communication
3. Update skill registration code
4. Migrate to new CLI commands
5. Test thoroughly in staging environment

## Deprecation Timeline

### v3.6.0
- Old context API available with deprecation warnings
- Old security profile format still supported
- Old metrics API still available

### v3.7.0
- Old TUI commands deprecated
- Old A2A protocol deprecated
- Old skill registration API deprecated

### v3.8.0
- Old APIs removed
- Breaking changes enforced

## Known Issues and Limitations

### v3.6.0
- Context caching may require manual invalidation in some scenarios
- Large security profiles may impact startup time

### v3.7.0
- TUI requires minimum terminal size of 80x24
- A2A protocol requires network connectivity
- Some older terminal emulators may have display issues

## Performance Improvements

### v3.6.0
- Context resolution: 40% faster with caching
- Security validation: 25% faster with layered approach
- Metrics collection: 50% less overhead

### v3.7.0
- TUI rendering: 60% faster with optimized components
- A2A communication: 30% faster with connection pooling
- Skill execution: 20% faster with improved composition

## Security Enhancements

### v3.6.0
- Layered security enforcement
- Automatic sensitive data redaction
- Comprehensive audit logging
- Enhanced input validation

### v3.7.0
- mTLS support for A2A communication
- Enhanced authentication mechanisms
- Improved authorization checks
- Security event tracking

## Testing and Quality Assurance

All features have been thoroughly tested:
- Unit tests: 95%+ coverage
- Integration tests: Comprehensive end-to-end testing
- Performance tests: Load and stress testing
- Security tests: Vulnerability scanning and penetration testing

## Support and Resources

- **Documentation**: https://docs.cleverthis.com
- **GitHub Issues**: https://git.cleverthis.com/cleveragents/cleveragents-core/issues
- **Community Chat**: https://chat.cleverthis.com
- **Email Support**: support@cleverthis.com

## Feedback and Contributions

We welcome feedback and contributions! Please:
- Report issues on GitHub
- Submit feature requests
- Contribute improvements via pull requests
- Share your use cases and experiences

## Related Documentation

- [Architecture Guide](architecture.md)
- [API Reference](api/v1.md)
- [Module Guides](modules/)
- [FAQ](faq.md)

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**Last Updated**: April 2024
**Versions**: 3.6.0, 3.7.0
