I got an error too but I am running Firefox/Sway/Nixos/AMD GPU and WebGL has never worked:

  Content Security Policy: Couldn’t process unknown directive ‘prefetch-src’
  THREE.WebGLRenderer 107 three.min.js:187:462
  Error: WebGL warning: <SetDimensions>: Failed to create 
  WebGL context: WebGL creation failed: 
  * tryNativeGL
  * Exhausted GL driver options. three.min.js:190:415
  Error: WebGL warning: <SetDimensions>: Failed to create 
  WebGL context: WebGL creation failed: 
  * tryNativeGL
  * Exhausted GL driver options. three.min.js:190:440