# Changelog

All notable changes to this project will be documented in this file.

## [0.2.0] - 2023-12-07

### Added
- UHG Metric Learning
  - Pure projective implementation
  - Cross-ratio preservation
  - Geometric pattern matching

- UHG Attention Mechanism
  - Multi-head attention in projective space
  - Cross-ratio preserving attention weights
  - Geometric relationship learning

- Threat Correlation
  - Indicator correlation using UHG
  - Cross-type pattern recognition
  - Network-System-Behavior relationships
  - Payload analysis integration

### Changed
- Updated core UHG operations for better numerical stability
- Improved projective transformation handling
- Enhanced cross-ratio computation

### Fixed
- Shape handling in projective operations
- Homogeneous coordinate normalization
- Cross-ratio preservation in transformations

## [0.1.0] - 2023-12-01

### Added
- Initial release
- Core UHG operations
- Basic feature extraction
- Anomaly detection 