VRAY 5 for SketchUp no longer works on SketchUp PRO 2021 with OS Big Sur update 1.1

Extending SketchUp V-Ray for SketchUp
4

The issue is caused by a third party library our user interface relies on. The issue is fixed in the latest version of the library and we will switch to it asap

There is a workaround. You can edit the following file:
~/.ChaosGroup/V-Ray for SketchUp/telemetry.json

And change its contents from
{“telemetry”:1}
to
{“telemetry”:0}