The issues with App Center Distribute have been resolved and all operations are back to normal now. Thanks for bearing with us!
Posted Mar 12, 2019 - 21:04 UTC
Identified
We have identified the issue and a fix is being implemented.
Posted Mar 12, 2019 - 19:59 UTC
Investigating
We are currently investigating an issue with in-app updates in distributing apps. We apologize for the inconvenience while we work to resolve this issue.