Release v1.9.1

Code Refactoring

• loader is now mandatory (8a725f7)

Release v1.9.0

Features

• add color utility functions for hex parsing and darkening (ed06c6b)

Release v1.8.1

Code Refactoring

• rename GameConfig.initialState to gameSpecific and remove snake-specific properties (5a7b073)

Release v1.8.0

Features

• add bomb explosion effect with particle system (f264f0c)

Release v1.7.0

Features

• make GameEngine reset/setup and ReplayManager replay methods async (6503fc2)

Release v1.6.1

Code Refactoring

• rename PRNG initialize() method to reset() (58b7672)

Release v1.6.0

Features

• demo: update UI to display ticks and real FPS (c8db781)
• implement frames-to-ticks conversion in GameCanvas and demo (d4c2761)

Bug Fixes

• improve stability of performance test with warmup and median timing (ac4c9e0)
• tests: update GameCanvas test to use deltaTicks parameter (d6b7407)
• update GameCanvas to use tick-based timing and format package.json (b891e65)

Release v1.5.0

Bug Fixes

• demo: update remaining frame references to tick methods (de18108)
• lint issues (de19a18)

Code Refactoring

• migrate from frame-based to tick-based timing system (57da91d)
• replay: update ReplayManager architecture to use proxy pattern (85398f0)

Release v1.4.0

Features

• collision: prevent duplicate points in CollisionBspTree (84a515b)
• core: add clearAndDestroy method to GameObjectGroup (480ed18)
• lib: add performance timing utilities with comprehensive test coverage (fdae4f0)
• loader: add Loader abstraction with DemoLoader implementation and comprehensive tests (8bafa06)
• prng: add threshold parameter to randomBoolean() method (372bbc1)
• rendering: add automatic PIXI Graphics cleanup with comprehensive testing (a6387b6)
• rendering: add needsRepaint flag optimization system (b5466c2)

Bug Fixes

• ci: improve workflow order and separate demo linting (85df80c)
• ci: move linting before build and add demo linting to pre-commit hooks (0e9e6a2)
• tests: implement comprehensive PIXI mocking and fix rendering tests (4877701)

Code Refactoring

• move GameCanvas from rendering to root and add comprehensive lib utilities (fc6306f)
• rendering: rename destroy() to clear() in AbstractRenderer (007dd78)
• replace CollisionBspTree with simplified CollisionGrid (36aa34b)

Release v1.3.0

Features

• add comprehensive PIXI.js rendering system (b7da431)
• add GameObjectEventType enum for type-safe event handling (3234943)
• add totalFrames parameter to GameObject.update() method (2cae386)
• improve GameObjectGroup event emission system (6d80bd0)

Bug Fixes

• ci: separate main and demo linting to resolve TypeScript resolution issues (83c535b)
• correct formatting and broken links in documentation (b0017f3)
• prevent GameObject update when destroyed (8812c7b)

Documentation

• fix markdown links in README.md (fcddc78)

Tests

• expand test coverage and improve code quality (83a57aa)

Code Refactoring

• rename getAll() to getAllActive() in GameObjectGroup (b6531b8)

Performance Improvements

• optimize CollisionUtils rebuildTree by merging index and bounds calculation (ecc7e75)