• Support trail render by @GuoLei1990 in https://github.com/galacean/engine/pull/2873
• feat(physics): 添加 MeshColliderShape 支持 by @luzhuang in https://github.com/galacean/engine/pull/2880
• AudioManager add suspend by @GuoLei1990 in https://github.com/galacean/engine/pull/2887
• Optimize TrailRenderer texture scale and remove widthMultiplier by @GuoLei1990 in https://github.com/galacean/engine/pull/2889
• Refine MeshColliderShape and add WebAssembly SIMD runtime by @GuoLei1990 in https://github.com/galacean/engine/pull/2892
• Deferred destruction for EngineObject during frame processing by @GuoLei1990 in https://github.com/galacean/engine/pull/2894
• Extract _createRenderBuffer to deduplicate renderbuffer creation in GLRenderTarget by @GuoLei1990 in https://github.com/galacean/engine/pull/2897
• Wrap raw assets as EngineObject to enable type-safe ResourceManager.load by @GuoLei1990 in https://github.com/galacean/engine/pull/2900
• Use Alpha8 texture for font atlas by @GuoLei1990 in https://github.com/galacean/engine/pull/2899
• Add multi-scattering energy compensation for specular by @GuoLei1990 in https://github.com/galacean/engine/pull/2901
• Add camera-based event filtering for WorldSpace UICanvas by @ym2050 in https://github.com/galacean/engine/pull/2870
• Add RenderingStatistics for GPU memory tracking and RenderTargetPool for RT reuse by @GuoLei1990 in https://github.com/galacean/engine/pull/2910
• Replace refId with url for asset reference resolution by @zhuxudong in https://github.com/galacean/engine/pull/2913
• Merge HDRLoader into TextureCubeLoader and extract HDRDecoder by @GuoLei1990 in https://github.com/galacean/engine/pull/2914
• feat(particle): add SubEmittersModule by @hhhhkrx in https://github.com/galacean/engine/pull/2982

• Fix audio play when stop and pause by @GuoLei1990 in https://github.com/galacean/engine/pull/2875
• Fix audio catch error by @zhuxudong in https://github.com/galacean/engine/pull/2876
• Fix resume audio on visibilitychange after tab/background by @GuoLei1990 in https://github.com/galacean/engine/pull/2882
• Allow anyState transitions to interrupt crossFade & fix transition bugs by @luzhuang in https://github.com/galacean/engine/pull/2885
• Fix WKWebview AudioContext "zombie" state in visibility change by @GuoLei1990 in https://github.com/galacean/engine/pull/2888
• Allow anyState transitions to interrupt crossFade & fix transition bugs by @GuoLei1990 in https://github.com/galacean/engine/pull/2893
• Fix two transforms coexist during cloning by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2895
• Fix isRoot was not set correctly when set entity.parent by @GuoLei1990 in https://github.com/galacean/engine/pull/2896
• Move pixelStorei calls to non-compressed branch in GLTextureCube by @zhuxudong in https://github.com/galacean/engine/pull/2918
• particle mesh mode rotation curve not working by @hhhhkrx in https://github.com/galacean/engine/pull/2920
• fix: defer physics contact event dispatch to after transform writeback by @GuoLei1990 in https://github.com/galacean/engine/pull/2930
• fix(loader): always create GLTF_ROOT container for consistent animation paths by @luzhuang in https://github.com/galacean/engine/pull/2943
• fix(camera): invViewProjMat should ignore scale like viewMatrix by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2949
• fix(rhi-webgl): complete sRGB format support for compressed textures by @zhuxudong in https://github.com/galacean/engine/pull/2940
• fix(core): fix crash when removeChild during deactivation callbacks by @GuoLei1990 in https://github.com/galacean/engine/pull/2948
• feat(particle): implement curl noise for particle noise module by @GuoLei1990 in https://github.com/galacean/engine/pull/2960
• fix(audio): guard suspend/resume against uninitialized AudioContext by @GuoLei1990 in https://github.com/galacean/engine/pull/2963
• fix(particle): only accumulate rotation-over-lifetime onto Z axis by @hhhhkrx in https://github.com/galacean/engine/pull/3013
• fix(particle): mesh not applied via setter when cloning ParticleRenderer by @hhhhkrx in https://github.com/galacean/engine/pull/3023
• fix(core): add @ignoreClone to Transform._parentTransformCache by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/3036
• fix(loader): prefer virtualPathResourceMap type over URL extension inference by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/3035
• fix(audio): harden playback lifecycle by @luzhuang in https://github.com/galacean/engine/pull/3026

• Load params in resource loader by @zhuxudong in https://github.com/galacean/engine/pull/2881
• Fixed some assets were not cached. by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2883
• Revert "Allow anyState transitions to interrupt crossFade & fix transition bugs" by @GuoLei1990 in https://github.com/galacean/engine/pull/2891
• feat: add bundled ESM output by @MrKou47 in https://github.com/galacean/engine/pull/2766
• Configure CDN default entry for bundled ESM by @GuoLei1990 in https://github.com/galacean/engine/pull/2904
• Fix ColorWriteMask enum parsing in ShaderLab with bitwise OR support by @GuoLei1990 in https://github.com/galacean/engine/pull/2906
• Add characterSpacing and change spacing units to em by @singlecoder in https://github.com/galacean/engine/pull/2280
• Fix setting the font to null will trigger an error by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2917
• feat: add RenderTarget asset loader and colorTextures getter by @GuoLei1990 in https://github.com/galacean/engine/pull/2923
• Unify Signal event mechanism with structured binding support by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2921
• fix: fix ray and plane when ray origin is on the plane and parallel by @singlecoder in https://github.com/galacean/engine/pull/2924
• feat(loader): support path-based cross-prefab entity/component refs by @luzhuang in https://github.com/galacean/engine/pull/2927
• ci: add Co-authored-by workflow by @GuoLei1990 in https://github.com/galacean/engine/pull/2934
• Revert "ci: add Co-authored-by workflow" by @GuoLei1990 in https://github.com/galacean/engine/pull/2935
• implement HorizontalBillboard render mode by @hhhhkrx in https://github.com/galacean/engine/pull/2938
• Unify Texture2D and TextureCube into single TextureLoader by @GuoLei1990 in https://github.com/galacean/engine/pull/2937
• fix(particle): fix flipRotation logic and renderMode default value by @GuoLei1990 in https://github.com/galacean/engine/pull/2939
• feat(shader-lab): unify macro system with flat instruction bytecode by @zhuxudong in https://github.com/galacean/engine/pull/2936
• fix: use deepClone for Skin._skinMatrices to prevent undefined after clone by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2941
• feat(particle): add NoiseModule for simplex noise turbulence by @hhhhkrx in https://github.com/galacean/engine/pull/2953
• fix(physics): unify scene query filtering to use collisionLayer by @GuoLei1990 in https://github.com/galacean/engine/pull/2964
• feat(particle): add transform to shape module by @hhhhkrx in https://github.com/galacean/engine/pull/2965
• feat(loader): v2 scene/prefab format parsing by @luzhuang in https://github.com/galacean/engine/pull/2959
• feat(particle): add cycles and repeatInterval to Burst by @hhhhkrx in https://github.com/galacean/engine/pull/2972
• fix(shader-lab): resolve generic return type for texture/builtin functions by @zhuxudong in https://github.com/galacean/engine/pull/2966
• feat(shader-lab): make #define values first-class AST nodes by @GuoLei1990 in https://github.com/galacean/engine/pull/2974
• fix(text): propagate WorldPosition dirty in _onRootCanvasModify when ReferenceResolutionPerUnit changes by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2981
• refactor(shader): migrate GLSL shaders to ShaderLab and clean up shader infrastructure by @zhuxudong in https://github.com/galacean/engine/pull/2961
• feat(loader): support $class refs and numeric SpecularMode in v2 scene by @luzhuang in https://github.com/galacean/engine/pull/2994
• refactor(loader): rename v2 scene.entities to scene.rootEntities by @luzhuang in https://github.com/galacean/engine/pull/2997
• fix(physics-physx): skip initial overlap in raycast/sweep + reuse query callbacks by @luzhuang in https://github.com/galacean/engine/pull/2998
• fix(shader-compiler): track every identifier in #define value by @zhuxudong in https://github.com/galacean/engine/pull/2996
• feat(loader): audioLoader recognize .m4a extension by @GuoLei1990 in https://github.com/galacean/engine/pull/3008
• feat(loader): recognize .aac and .flac extensions for audioClip loader by @GuoLei1990 in https://github.com/galacean/engine/pull/3009
• feat(particle): implement rateOverDistance emission by @hhhhkrx in https://github.com/galacean/engine/pull/3011
• feat(particle): support custom particle shaders with custom data by @hhhhkrx in https://github.com/galacean/engine/pull/3004
• fix(loader): compute glTF skin bounds in rootBone space by @luzhuang in https://github.com/galacean/engine/pull/3027
• feat(particle): support curve modes for emission rateOverTime and rateOverDistance by @hhhhkrx in https://github.com/galacean/engine/pull/3029
• refactor(enum): introduce EngineEventType enum. chore: clean compiledShaders. build: chmod compat for windows. by @luo2430 in https://github.com/galacean/engine/pull/3034
• fix(entity): traverse front-to-back in getComponentsInChildren by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/3030
• fix(2d): fix typo in SpriteAtlas.getSprites warning message by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/3032
• feat: add dynamic collider force at position by @luzhuang in https://github.com/galacean/engine/pull/3039
• chore: modernize ESLint setup (flat config, ESLint 10, Prettier split) by @luo2430 in https://github.com/galacean/engine/pull/3048
• fix(core): invoke structured Signal listeners with runtime args before bound args by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2987
• fix(animation): harden animator state instance data by @luzhuang in https://github.com/galacean/engine/pull/3024
• feat(particle): add orbital radial velocity over lifetime by @hhhhkrx in https://github.com/galacean/engine/pull/3049

• @ym2050 made their first contribution in https://github.com/galacean/engine/pull/2870
• @luo2430 made their first contribution in https://github.com/galacean/engine/pull/3034

Full Changelog: https://github.com/galacean/engine/compare/v1.6.13...v2.0.0-alpha.38

• Support trail render by @GuoLei1990 in https://github.com/galacean/engine/pull/2873
• feat(physics): 添加 MeshColliderShape 支持 by @luzhuang in https://github.com/galacean/engine/pull/2880
• AudioManager add suspend by @GuoLei1990 in https://github.com/galacean/engine/pull/2887
• Optimize TrailRenderer texture scale and remove widthMultiplier by @GuoLei1990 in https://github.com/galacean/engine/pull/2889
• Refine MeshColliderShape and add WebAssembly SIMD runtime by @GuoLei1990 in https://github.com/galacean/engine/pull/2892
• Deferred destruction for EngineObject during frame processing by @GuoLei1990 in https://github.com/galacean/engine/pull/2894
• Extract _createRenderBuffer to deduplicate renderbuffer creation in GLRenderTarget by @GuoLei1990 in https://github.com/galacean/engine/pull/2897
• Wrap raw assets as EngineObject to enable type-safe ResourceManager.load by @GuoLei1990 in https://github.com/galacean/engine/pull/2900
• Use Alpha8 texture for font atlas by @GuoLei1990 in https://github.com/galacean/engine/pull/2899
• Add multi-scattering energy compensation for specular by @GuoLei1990 in https://github.com/galacean/engine/pull/2901
• Add camera-based event filtering for WorldSpace UICanvas by @ym2050 in https://github.com/galacean/engine/pull/2870
• Add RenderingStatistics for GPU memory tracking and RenderTargetPool for RT reuse by @GuoLei1990 in https://github.com/galacean/engine/pull/2910
• Replace refId with url for asset reference resolution by @zhuxudong in https://github.com/galacean/engine/pull/2913
• Merge HDRLoader into TextureCubeLoader and extract HDRDecoder by @GuoLei1990 in https://github.com/galacean/engine/pull/2914

• Fix audio play when stop and pause by @GuoLei1990 in https://github.com/galacean/engine/pull/2875
• Fix audio catch error by @zhuxudong in https://github.com/galacean/engine/pull/2876
• Fix resume audio on visibilitychange after tab/background by @GuoLei1990 in https://github.com/galacean/engine/pull/2882
• Allow anyState transitions to interrupt crossFade & fix transition bugs by @luzhuang in https://github.com/galacean/engine/pull/2885
• Fix WKWebview AudioContext "zombie" state in visibility change by @GuoLei1990 in https://github.com/galacean/engine/pull/2888
• Allow anyState transitions to interrupt crossFade & fix transition bugs by @GuoLei1990 in https://github.com/galacean/engine/pull/2893
• Fix two transforms coexist during cloning by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2895
• Fix isRoot was not set correctly when set entity.parent by @GuoLei1990 in https://github.com/galacean/engine/pull/2896
• Move pixelStorei calls to non-compressed branch in GLTextureCube by @zhuxudong in https://github.com/galacean/engine/pull/2918
• particle mesh mode rotation curve not working by @hhhhkrx in https://github.com/galacean/engine/pull/2920
• fix: defer physics contact event dispatch to after transform writeback by @GuoLei1990 in https://github.com/galacean/engine/pull/2930
• fix(loader): always create GLTF_ROOT container for consistent animation paths by @luzhuang in https://github.com/galacean/engine/pull/2943
• fix(camera): invViewProjMat should ignore scale like viewMatrix by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2949
• fix(rhi-webgl): complete sRGB format support for compressed textures by @zhuxudong in https://github.com/galacean/engine/pull/2940
• fix(core): fix crash when removeChild during deactivation callbacks by @GuoLei1990 in https://github.com/galacean/engine/pull/2948
• feat(particle): implement curl noise for particle noise module by @GuoLei1990 in https://github.com/galacean/engine/pull/2960
• fix(audio): guard suspend/resume against uninitialized AudioContext by @GuoLei1990 in https://github.com/galacean/engine/pull/2963
• fix(particle): only accumulate rotation-over-lifetime onto Z axis by @hhhhkrx in https://github.com/galacean/engine/pull/3013
• fix(particle): mesh not applied via setter when cloning ParticleRenderer by @hhhhkrx in https://github.com/galacean/engine/pull/3023

• Load params in resource loader by @zhuxudong in https://github.com/galacean/engine/pull/2881
• Fixed some assets were not cached. by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2883
• Revert "Allow anyState transitions to interrupt crossFade & fix transition bugs" by @GuoLei1990 in https://github.com/galacean/engine/pull/2891
• feat: add bundled ESM output by @MrKou47 in https://github.com/galacean/engine/pull/2766
• Configure CDN default entry for bundled ESM by @GuoLei1990 in https://github.com/galacean/engine/pull/2904
• Fix ColorWriteMask enum parsing in ShaderLab with bitwise OR support by @GuoLei1990 in https://github.com/galacean/engine/pull/2906
• Add characterSpacing and change spacing units to em by @singlecoder in https://github.com/galacean/engine/pull/2280
• Fix setting the font to null will trigger an error by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2917
• feat: add RenderTarget asset loader and colorTextures getter by @GuoLei1990 in https://github.com/galacean/engine/pull/2923
• Unify Signal event mechanism with structured binding support by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2921
• fix: fix ray and plane when ray origin is on the plane and parallel by @singlecoder in https://github.com/galacean/engine/pull/2924
• feat(loader): support path-based cross-prefab entity/component refs by @luzhuang in https://github.com/galacean/engine/pull/2927
• ci: add Co-authored-by workflow by @GuoLei1990 in https://github.com/galacean/engine/pull/2934
• Revert "ci: add Co-authored-by workflow" by @GuoLei1990 in https://github.com/galacean/engine/pull/2935
• implement HorizontalBillboard render mode by @hhhhkrx in https://github.com/galacean/engine/pull/2938
• Unify Texture2D and TextureCube into single TextureLoader by @GuoLei1990 in https://github.com/galacean/engine/pull/2937
• fix(particle): fix flipRotation logic and renderMode default value by @GuoLei1990 in https://github.com/galacean/engine/pull/2939
• feat(shader-lab): unify macro system with flat instruction bytecode by @zhuxudong in https://github.com/galacean/engine/pull/2936
• fix: use deepClone for Skin._skinMatrices to prevent undefined after clone by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2941
• feat(particle): add NoiseModule for simplex noise turbulence by @hhhhkrx in https://github.com/galacean/engine/pull/2953
• fix(physics): unify scene query filtering to use collisionLayer by @GuoLei1990 in https://github.com/galacean/engine/pull/2964
• feat(particle): add transform to shape module by @hhhhkrx in https://github.com/galacean/engine/pull/2965
• feat(loader): v2 scene/prefab format parsing by @luzhuang in https://github.com/galacean/engine/pull/2959
• feat(particle): add cycles and repeatInterval to Burst by @hhhhkrx in https://github.com/galacean/engine/pull/2972
• fix(shader-lab): resolve generic return type for texture/builtin functions by @zhuxudong in https://github.com/galacean/engine/pull/2966
• feat(shader-lab): make #define values first-class AST nodes by @GuoLei1990 in https://github.com/galacean/engine/pull/2974
• fix(text): propagate WorldPosition dirty in _onRootCanvasModify when ReferenceResolutionPerUnit changes by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2981
• refactor(shader): migrate GLSL shaders to ShaderLab and clean up shader infrastructure by @zhuxudong in https://github.com/galacean/engine/pull/2961
• feat(loader): support $class refs and numeric SpecularMode in v2 scene by @luzhuang in https://github.com/galacean/engine/pull/2994
• refactor(loader): rename v2 scene.entities to scene.rootEntities by @luzhuang in https://github.com/galacean/engine/pull/2997
• fix(physics-physx): skip initial overlap in raycast/sweep + reuse query callbacks by @luzhuang in https://github.com/galacean/engine/pull/2998
• fix(shader-compiler): track every identifier in #define value by @zhuxudong in https://github.com/galacean/engine/pull/2996
• feat(loader): audioLoader recognize .m4a extension by @GuoLei1990 in https://github.com/galacean/engine/pull/3008
• feat(loader): recognize .aac and .flac extensions for audioClip loader by @GuoLei1990 in https://github.com/galacean/engine/pull/3009
• feat(particle): implement rateOverDistance emission by @hhhhkrx in https://github.com/galacean/engine/pull/3011
• feat(particle): support custom particle shaders with custom data by @hhhhkrx in https://github.com/galacean/engine/pull/3004
• fix(loader): compute glTF skin bounds in rootBone space by @luzhuang in https://github.com/galacean/engine/pull/3027
• feat(particle): support curve modes for emission rateOverTime and rateOverDistance by @hhhhkrx in https://github.com/galacean/engine/pull/3029
• refactor(enum): introduce EngineEventType enum. chore: clean compiledShaders. build: chmod compat for windows. by @luo2430 in https://github.com/galacean/engine/pull/3034

• @ym2050 made their first contribution in https://github.com/galacean/engine/pull/2870
• @luo2430 made their first contribution in https://github.com/galacean/engine/pull/3034

Full Changelog: https://github.com/galacean/engine/compare/v1.6.13...v2.0.0-alpha.36

• Support trail render by @GuoLei1990 in https://github.com/galacean/engine/pull/2873

• Fix audio play when stop and pause by @GuoLei1990 in https://github.com/galacean/engine/pull/2875
• Fix audio catch error by @zhuxudong in https://github.com/galacean/engine/pull/2876
• Fix resume audio on visibilitychange after tab/background by @GuoLei1990 in https://github.com/galacean/engine/pull/2882

• Load params in resource loader by @zhuxudong in https://github.com/galacean/engine/pull/2881
• feat(physics):support MeshColliderShape by @luzhuang in https://github.com/galacean/engine/pull/2880
• Fixed some assets were not cached. by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2883
• fix(animation): allow anyState transitions to interrupt crossFade & fix transition bugs by @luzhuang in https://github.com/galacean/engine/pull/2885

Full Changelog: https://github.com/galacean/engine/compare/v1.6.13...v2.0.0-alpha.0

• Fix iOS 26.2 audio play bug by @GuoLei1990 in https://github.com/galacean/engine/pull/2874

Full Changelog: https://github.com/galacean/engine/compare/v1.6.12...v1.6.13

• Particle support emit mesh by @GuoLei1990 in https://github.com/galacean/engine/pull/2869

• Fix PrefabResource refCount was incorrect by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2864
• Fix incorrect iOS version detection on Safari 26 due to UA reduction by @iamkun-2 in https://github.com/galacean/engine/pull/2863
• Solving the issue of automatic escaping when retrieving relative paths using Utils.resolveAbsoluteUrl. by @HPc369 in https://github.com/galacean/engine/pull/2862

• @iamkun-2 made their first contribution in https://github.com/galacean/engine/pull/2863
• @HPc369 made their first contribution in https://github.com/galacean/engine/pull/2862

Full Changelog: https://github.com/galacean/engine/compare/v1.6.11...v1.6.12

• Fix mipmap auto downgrade by @zhuxudong in https://github.com/galacean/engine/pull/2855

Full Changelog: https://github.com/galacean/engine/compare/v1.6.6...v1.6.7

• Fix renderState conflict between constant map and variable map by @zhuxudong in https://github.com/galacean/engine/pull/2853

• Fix typedoc error by @zhuxudong in https://github.com/galacean/engine/pull/2849

Full Changelog: https://github.com/galacean/engine/compare/v1.6.5...v1.6.6

• BRDF and BTDF moved to BSDF by @hhhhkrx in https://github.com/galacean/engine/pull/2745
• metallic roughness workflow support specular by @hhhhkrx in https://github.com/galacean/engine/pull/2756
• Support ktx2 hdr（BC6H） by @gz65555 in https://github.com/galacean/engine/pull/2784
• Support astc_hdr_4x4 in KTX2 by @zhuxudong in https://github.com/galacean/engine/pull/2798
• Add progress callback for ProjectLoader by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2803
• Physics support sweep and overlap by @luzhuang in https://github.com/galacean/engine/pull/2776
• Add relative layout to UITransform by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2760
• Support Salable Ambient Occlusion by @hhhhkrx in https://github.com/galacean/engine/pull/2807

• Fix Indirect Light Sheen/ClearCoat specularAO by @hhhhkrx in https://github.com/galacean/engine/pull/2744
• Fix context lost immediately by @zhuxudong in https://github.com/galacean/engine/pull/2774
• Fixed local Matrix dirty error triggered by setting UITransform.localMatrix by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2813
• Fix transparency objects DepthTexture and SAO by @GuoLei1990 in https://github.com/galacean/engine/pull/2820
• Fix SAO precison bug by @GuoLei1990 in https://github.com/galacean/engine/pull/2828
• Fix text render when depth texture enabled by @GuoLei1990 in https://github.com/galacean/engine/pull/2839
• Fix AO blit viewport incorrect by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2841
• Fixe the camera._pixelViewport was incorrect in XR mode (#2840) by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2842

• Migrate e2e testing from Cypress to Playwright by @luzhuang in https://github.com/galacean/engine/pull/2746
• Opt Transform clone. by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2816
• Migrate magenta material by @eyworldwide in https://github.com/galacean/engine/pull/2763
• Refactor shaderlab compile by @zhuxudong in https://github.com/galacean/engine/pull/2794
• Built in specular shader by @hhhhkrx in https://github.com/galacean/engine/pull/2837

Full Changelog: https://github.com/galacean/engine/compare/v1.5.15...v1.6.4

• BRDF and BTDF moved to BSDF by @hhhhkrx in https://github.com/galacean/engine/pull/2745
• metallic roughness workflow support specular by @hhhhkrx in https://github.com/galacean/engine/pull/2756
• Support ktx2 hdr（BC6H） by @gz65555 in https://github.com/galacean/engine/pull/2784
• Support astc_hdr_4x4 in KTX2 by @zhuxudong in https://github.com/galacean/engine/pull/2798
• Add progress callback for ProjectLoader by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2803
• Physics support sweep and overlap by @luzhuang in https://github.com/galacean/engine/pull/2776
• Add relative layout to UITransform by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2760
• Support Salable Ambient Occlusion by @hhhhkrx in https://github.com/galacean/engine/pull/2807

• Fix Indirect Light Sheen/ClearCoat specularAO by @hhhhkrx in https://github.com/galacean/engine/pull/2744
• Fix context lost immediately by @zhuxudong in https://github.com/galacean/engine/pull/2774
• Fixed local Matrix dirty error triggered by setting UITransform.localMatrix by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2813
• Fix transparency objects DepthTexture and SAO by @GuoLei1990 in https://github.com/galacean/engine/pull/2820
• Fix SAO precison bug by @GuoLei1990 in https://github.com/galacean/engine/pull/2828

• Migrate e2e testing from Cypress to Playwright by @luzhuang in https://github.com/galacean/engine/pull/2746
• Opt Transform clone. by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2816
• Migrate magenta material by @eyworldwide in https://github.com/galacean/engine/pull/2763
• Refactor shaderlab compile by @zhuxudong in https://github.com/galacean/engine/pull/2794
• Built in specular shader by @hhhhkrx in https://github.com/galacean/engine/pull/2837

Full Changelog: https://github.com/galacean/engine/compare/v1.5.15...v1.6.2

• BRDF and BTDF moved to BSDF by @hhhhkrx in https://github.com/galacean/engine/pull/2745
• metallic roughness workflow support specular by @hhhhkrx in https://github.com/galacean/engine/pull/2756
• Support ktx2 hdr（BC6H） by @gz65555 in https://github.com/galacean/engine/pull/2784
• Support astc_hdr_4x4 in KTX2 by @zhuxudong in https://github.com/galacean/engine/pull/2798
• Add progress callback for ProjectLoader by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2803
• Physics support sweep and overlap by @luzhuang in https://github.com/galacean/engine/pull/2776
• Add relative layout to UITransform by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2760
• Support Salable Ambient Occlusion by @hhhhkrx in https://github.com/galacean/engine/pull/2807

• Fix Indirect Light Sheen/ClearCoat specularAO by @hhhhkrx in https://github.com/galacean/engine/pull/2744
• Fix context lost immediately by @zhuxudong in https://github.com/galacean/engine/pull/2774
• Fixed local Matrix dirty error triggered by setting UITransform.localMatrix by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2813
• Fix transparency objects DepthTexture and SAO by @GuoLei1990 in https://github.com/galacean/engine/pull/2820
• Fix SAO precison bug by @GuoLei1990 in https://github.com/galacean/engine/pull/2828

• Migrate e2e testing from Cypress to Playwright by @luzhuang in https://github.com/galacean/engine/pull/2746
• Opt Transform clone. by @cptbtptpbcptdtptp in https://github.com/galacean/engine/pull/2816
• Migrate magenta material by @eyworldwide in https://github.com/galacean/engine/pull/2763
• Refactor shaderlab compile by @zhuxudong in https://github.com/galacean/engine/pull/2794

Full Changelog: https://github.com/galacean/engine/compare/v1.5.15...v1.6.1