The issue with App Center Diagnostics has been resolved and all operations are back to normal now. Thanks for bearing with us!
Posted Nov 12, 2020 - 08:32 UTC
Update
We are continuing to investigate this issue.
Posted Nov 11, 2020 - 07:30 UTC
Investigating
App Center is experiencing issues with the Diagnostics service. Errors submitted for Android applications are facing delays in processing. We apologize for the inconvenience while we work to resolve this issue.