Short version:
As a meeting organisers, you will now be able to schedule an anonymous presenter for a Teams live event when using the Teams desktop app. This feature rollout will begin mid-April and should be complete by the end of May 2021 for tenants with licenses for Teams Live events

Details:
As a meeting organisers, you will now be able to schedule an anonymous presenter for a Teams live event when using the Teams desktop app.

Meeting organisers will allow anonymous presenters when scheduling the live event. This must be done when scheduling the meeting:

The anonymous presenter must also use the Teams desktop app.

  • PSTN (dial-in) users will not be supported in this new anonymous presenters workflow
  • If this option is set, only invites users will be allowed directly into the meeting regardless of the lobby option set for the tenant

Availability:
This feature rollout will begin mid-April and should be complete by the end of May 2021 for tenants with licenses for Teams Live events

Links:

Get started with Microsoft Teams live events

Set up for live events in Microsoft Teams