Hello,
We experience a TestFlight-related bug with devices limit.
When I try to remove authorized devices for testing nothing happens in macOS and iOS app respectfully. Could be backend-related issue.
Please look into FB14094008, thanks.
eprosvirkin
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution