No new features. Minor bug fixes

Open bugs

CSCvh90269

• The Make Screen blank feature doesn't work on Windows
  10 devices if User Account Control is enabled.

CSCvi72293

• If a user's Facebook account is locked, they can't stream
  Webex meetings on Facebook Live.

CSCvh63085

• During webinars, when a presenter shares their screen,
  participants can see chat notifications that appear to the presenter.

Resolved bugs

CSCwj53522

• Fixed an issue where Connecting... message keeps showing.