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]
<meta name='warning' content='under development: euler-angle conversions still problematic,
single-step animation
reveals that animations are not smooth.'/> [/X3D/head/meta[8], diagnostic]
<TimeSensor DEF='ClockTimer'/> is inactive since enabled='false' (and no ROUTE is
provided to change this value)
[/X3D/Scene/TimeSensor[1], warning]