Does iTwin.js will use WebGpu technology in 4.x ?

[fatalstar]

WebGpu has more powerful performance than webGL

[pmconne]

Not yet. While we're excited about WebGPU, the reality is that our users are using a wide variety of browsers, devices, and operating systems, most of which do not yet support WebGPU. We will continue to rely on WebGL until WebGPU becomes more broadly available.