• engine: Added support for transparent shadows. Add transparentShadow : true in the material file.
• engine: honor user-defined precision in material files for non-samplers, rename SamplerPrecision
  to ParameterPrecicion. [⚠️ API Change]
• engine: Work around Qualcomm issue with point lights.
• engine: Allow MSAA when post-processing is disabled.
• engine: enable up to 6 spot-light shadows.
• gltfio: Added support for KHR_materials_volume.
• gltfio: fix precision in KHR_texture_transform.
• java: Removed support for Java desktop targets (macOS, Linux, and Windows) [⚠️ API Change].