# Changelog

All notable changes to Anthropic Fonts CDN will be documented in this file.

## [1.0.0] - 2026-04-01

### Added

- ✅ Initial release of Anthropic Fonts CDN
- ✅ Three font families:
  - Anthropic Sans (7 weights: 300-900)
  - Anthropic Serif (7 weights: 300-900)
  - Anthropic Mono (1 weight: 400)
- ✅ Multi-weight WOFF2 font files
- ✅ Auto-generated @font-face CSS rules
- ✅ Dynamic CSS API endpoint
- ✅ Font metadata endpoint
- ✅ Development server with hot reload
- ✅ Production-ready CDN deployment guides
- ✅ Comprehensive documentation:
  - Usage guide with framework examples
  - Performance optimization guide
  - API reference
  - Deployment instructions for multiple platforms
- ✅ Font processing scripts
- ✅ Validation and testing suite
- ✅ CORS headers support
- ✅ Aggressive caching strategy (1 year immutable)
- ✅ jsDelivr CDN integration
- ✅ Support for GitHub Pages, Cloudflare R2, AWS S3, self-hosted, Vercel/Netlify

### Features

- Dynamic CSS generation for selective weight loading
- Unicode range declarations for subsetting
- Font display swap for optimal rendering
- Minified CSS variants
- IE fallback CSS
- Metadata API for discovering available fonts
- Health check endpoint
- Comprehensive CLI scripts

### Performance

- WOFF2 format (60% smaller than TTF)
- Gzip-optimized CSS
- Cache-busting via URL versioning
- Font preload support
- Preconnect recommendations

### Documentation

- Quick start guide
- Integration examples for React, Vue, Next.js, Tailwind, Svelte
- Performance best practices
- Troubleshooting guide
- API endpoint documentation
- Deployment guides for 5+ platforms

## Planned Features

- [ ] Font subsetting by Unicode range
- [ ] Italic and oblique styles
- [ ] Variable font format (single file, all weights)
- [ ] WebP image fallback
- [ ] Usage analytics API
- [ ] CloudFlare Workers integration
- [ ] Precomputed font pairs
- [ ] Font preview generator

## Known Issues

None at release.

## Support

- Documentation: See `docs/` folder
- Issues: https://github.com/devchauhann/AnthropicFont/issues
- Discussions: https://github.com/devchauhann/AnthropicFont/discussions

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For upgrade instructions, see [DEPLOYMENT.md](docs/DEPLOYMENT.md)