v1.6.0-beta.1

What's Changed

Features 🎉

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

Fixed 🐞

• Fix Indirect Light Sheen/ClearCoat specularAO by @hhhhkrx in #2744
• Fix context lost immediately by @zhuxudong in #2774
• Fixed local Matrix dirty error triggered by setting UITransform.localMatrix by @cptbtptpbcptdtptp in #2813
• Fix transparency objects DepthTexture and SAO by @GuoLei1990 in #2820

Other Changes

• Migrate e2e testing from Cypress to Playwright by @luzhuang in #2746
• Opt Transform clone. by @cptbtptpbcptdtptp in #2816
• Migrate magenta material by @eyworldwide in #2763
• Refactor shaderlab compile by @zhuxudong in #2794

Full Changelog: v1.5.14...v1.6.0-beta.1