X3D version 4.0 was approved by Web3D Consortium and ISO in 2023.[/X3D, diagnostic]
X3D version 4.0 offers many new features including interoperability with HTML5, glTF
2.0 Physically Based Rendering (PBR), and Web Audio API.[/X3D, diagnostic]
X3D/head/meta title (i.e. filename 'ballx3dom.x3d') is expected at end of identifier
(url) value [/X3D/head, warning]
<ShaderPart DEF='' value=''/> needs to be contained by a <ComposedShader> node rather
than a <ComposedShader> node [/X3D/Scene/Transform/Shape/Appearance/ComposedShader/ShaderPart[1], error]
<ShaderPart DEF='common' value=''/> needs to be contained by a <ComposedShader> node
rather than a <ComposedShader> node [/X3D/Scene/Transform/Shape/Appearance/ComposedShader/ShaderPart[2], error]