WebGPU support has been available but off by default in Chrome for a while now, because the API wasn’t finalized and things could break from update to update. Google says that Mozilla and Apple will eventually support WebGPU in Firefox and Safari, and browsers like Microsoft Edge and Opera that rely on the Chromium browser engine can presumably choose to switch it on just as Google has.

Source: Chrome will support the WebGPU API by defaultheres why thats important