• ImGuiHelper: add support for Y flip.
• Metal: ignore MTLTexture formatting when importing external textures.
• materials: add a new instanced material parameter that is now mandatory in order to call getInstanceIndex()
• gltfio: UbershaderProvider now takes the ubershader archive in its constructor [⚠️ API Change]
• gltfio: Fix morphing with sparse accessors.
• gltfio: Fix models that use signed integers for morphing.
• engine: Documentation improvements regarding SkinningBuffer and fix an off-by-one assert when setting a SkinningBuffer.
• picking is now exposed to JavaScript
• gltf_viewer: Exercise picking functionality.
• OpenGL: add WebGL support for ReadPixels
• Vulkan: add assert and error message for OOM (debug builds)
• Vulkan: fix crash with picking and 2-component ReadPixels.
• backend: workaround broken GLES timer query on some Mali-Gxx old drivers
• backend: revert c049a1 & reenable b2cdf9 ("don't issue a flush systematically after framegraph's execute")
• gltfio: namespace now lives under Filament [⚠️ API Change]
• gltfio: UbershaderLoader renamed to UbershaderProvider [⚠️ API Change]
• gltfio: MaterialGenerator renamed to JitShaderProvider [⚠️ API Change]