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]
<ProtoInstance DEF='connector1' name='x3dconnector'> <fieldValue name='set_startpoint'/>
fieldValue with corresponding type='SFVec3f' must have initialization value [/X3D/Scene/ProtoInstance/fieldValue[5], error]
<ProtoInstance name='x3dconnector' DEF='connector1'> <fieldValue name='set_startpoint'/>
initialization not allowed for accessType inputOnly/outputOnly [/X3D/Scene/ProtoInstance/fieldValue[5], error]
<ProtoInstance DEF='connector1' name='x3dconnector'> <fieldValue name='set_endpoint'/>
fieldValue with corresponding type='SFVec3f' must have initialization value [/X3D/Scene/ProtoInstance/fieldValue[6], error]
<ProtoInstance name='x3dconnector' DEF='connector1'> <fieldValue name='set_endpoint'/>
initialization not allowed for accessType inputOnly/outputOnly [/X3D/Scene/ProtoInstance/fieldValue[6], error]