# Changelog

All notable changes to this project 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] - 2024-12-27

### Added

#### Core Architecture
- Complete server architecture with component orchestration
- Configuration manager with YAML and environment variable support
- Session manager with JID mapping and authentication
- Stanza router with filtering and event system
- Host manager for virtual host support
- Module manager with dynamic loading/unloading
- XMPP stream handler with SASL authentication

#### Network Servers
- C2S server with TCP/TLS support
- BOSH server (basic implementation)
- WebSocket server (basic implementation)
- S2S server (framework)
- Component server (framework)

#### Storage
- Storage manager with backend abstraction
- Memory storage implementation
- Store API with query support

#### Features
- PLAIN authentication mechanism
- Message routing (chat, groupchat, headline)
- Presence handling (available, unavailable)
- IQ request/response handling
- Virtual host support
- Module system with hooks
- Event-driven architecture

#### Utilities
- Winston-based logging system
- Configuration merging
- JID parsing and validation

#### Documentation
- Comprehensive README with features and examples
- Quick start guide
- API documentation
- Module development guide
- Deployment guide
- Project structure overview

#### Examples
- Echo bot example
- Simple XMPP client
- Welcome message module

#### Scripts
- Automated setup script
- NPM scripts for development and production

### Security
- TLS/SSL support
- Connection limits
- Rate limiting framework
- Input validation

### Configuration
- YAML configuration file
- Environment variable override
- Per-host configuration
- Module configuration

## [Unreleased]

### Planned Features

#### Core Modules
- mod_roster - Contact list management
- mod_disco - Service discovery
- mod_vcard - User profiles
- mod_private - Private XML storage
- mod_blocking - Block list management

#### Advanced Features
- MAM (Message Archive Management)
- MUC (Multi-User Chat)
- PubSub (Publish-Subscribe)
- HTTP File Upload
- Push notifications

#### Network
- Complete BOSH implementation
- Complete WebSocket implementation
- S2S federation
- Stream Management (XEP-0198)

#### Authentication
- SCRAM-SHA-1 mechanism
- SCRAM-SHA-256 mechanism
- External authentication
- Certificate-based authentication

#### Storage
- PostgreSQL backend
- MongoDB backend
- File-based storage
- Redis caching

#### Operations
- Health check endpoint
- Prometheus metrics
- Admin web interface
- Clustering support
- Hot reload

#### Security
- Certificate validation
- Rate limiting module
- Spam protection
- IP blacklisting

### Known Issues
- S2S federation not fully implemented
- BOSH needs complete implementation
- WebSocket needs complete implementation
- Some XEPs need module implementation

## Version History

### Version 1.0.0 - Initial Release
The first complete release with:
- Full XMPP core protocol support
- C2S connections with TLS
- Basic BOSH and WebSocket support
- Modular architecture
- Virtual host support
- Memory storage
- Comprehensive documentation

## Migration Guide

### From 0.x to 1.0

N/A - First release

## Deprecation Notices

None yet.

## Contributors

- Main Developer: ale
- Inspired by: Prosody IM team

## References

- [Prosody IM](https://prosody.im/)
- [XMPP Standards Foundation](https://xmpp.org/)
- [RFC 6120 - XMPP Core](https://tools.ietf.org/html/rfc6120)
- [RFC 6121 - XMPP IM](https://tools.ietf.org/html/rfc6121)