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]
It is good practice to identify editor(s) used, for example <meta name='generator'
content='X3D-Edit, https://savage.nps.edu/X3D-Edit'/> [/X3D/head, info]