Changelog for hs-hath

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

The format is based on Keep a Changelog, and this project adheres to the Haskell Package Versioning Policy.

[1.1.1] - 2026-01-26

Added

• R2 Object Storage support with client-side caching
• Presigned URL generation for R2 redirects

Changed

• Refactored time handling to use MonotonicTime for better precision
• Fix rate limiting logic
• Drop macOS support (removed logic-macos.hs)

[1.0.3] - 2026-01-24

Added

• Custom Prometheus metrics implementation with counters and gauges
• Metrics registry and snapshot mechanism for efficient metrics collection
• Non-blocking metrics retrieval endpoint with background worker
• stack-release.yaml for optimized release builds with LLVM support
• Aggressive optimization options for release builds

Changed

• Performance: Improved rate limiting by removing TVar dependency and simplifying architecture
• Performance: Refactored to use monotonic time, avoiding complex UTCTime calculations
• Removed development logging statements
• Removed redundant imports
• Automated release process with GitHub Actions (separate build and release jobs)
• Removed dependency on prometheus and binary packages in favor of custom implementation

Fixed

• Fixed config validation option to take effect properly

[1.0.2] - 2026-01-23

Added

• Gallery downloader task queue for better task management
• Filesystem cache backend as an alternative storage option
• Admin settings endpoint for runtime configuration
• Configuration validation and LRU cache tuning capabilities
• Enhanced logging for gallery downloader errors and failed tasks

Changed

• Performance: Refactored hashing to use type classes for better abstraction
• Performance: Reduced intermediate ByteString allocations in hot paths
• Performance: Shared global HTTP manager across requests to reduce overhead
• Performance: Optimized buffer allocation strategies
• Performance: Improved hashing performance for security tokens
• Switched to monotonic clock for more accurate uptime tracking
• Refactored server loop for better code structure and maintainability
• Improved download retry logic with better error handling
• Improved gallery download resilience and error recovery
• Split middlewares into separate modules for better organization
• Enhanced CI workflow for Haskell projects

Fixed

• Fixed keystamp rate limiting implementation
• Bypassed staticRanges check in Locate.hs to resolve compatibility issues
• Worked around encoding errors in gallery processing
• Added existence checks before processing to avoid redundant work

[1.0.1] - 2026-01-20

Added

• Statistics tracking with Prometheus metrics integration
• Prometheus package dependency for metrics collection
• Gallery downloader implementation
• Stats effect constructors for new metrics types
• Release workflow automation (release.yml)
• GHC build caching in CI

Changed

• Refactored TrafficStats from TVar to Prometheus Registry
• Refactored settings handling for dynamic runtime updates
• Refactored signal handling and removed verification step
• DRY improvements for LRU cache implementation
• Refactored module structures for better organization
• Updated README with comprehensive documentation

Fixed

• Fixed threaded speedtest issues

Removed

• Removed Windows release targets

[1.0.0] - 2026-01-19

Added

• Initial release with keystamp-based rate limiting
• Core H@H (Hentai@Home) server functionality
• RPC client for H@H network communication
• SQLite and R2 storage backends with runtime switching
• File integrity verification with streaming to prevent space leaks
• In-memory LRU cache for R2 backend
• Docker support for containerized deployment
• Trust-proxy-headers option for real IP handling
• Migrate-to-R2 tool for backend migration
• Command-line interface with configuration options
• Traffic statistics tracking and reporting
• Graceful shutdown handling
• TLS support with certificate management
• Environment variable configuration (HATH_RPC_HOST, base URL)

Changed

• Upgraded to GHC 9.6.7 and resolver lts-22.44
• SQLite journal mode changed to delete for better compatibility
• Switched from static linking to dynamic linking
• Widened aeson version bounds for better compatibility

Fixed

• Resolved space leak in checkRate function
• Fixed space leak in file verification by using streaming approach