If want to use a virtual camera but it isn’t working in MS…

Per Axbom Twitter

If want to use a virtual camera but it isn’t working in MS #Teams on Mac, you will have to do one of two things:

1) Use Teams in a browser (Chrome or Brave - but with 3rd-party cookies enabled)

OR

2) Change security settings according to this fix:

answers.microsoft.com/en-us/msteams/…