Resolved
All previously waiting builds have either successfully completed or are back in a state of being processed as expected.
Monitoring
We have been monitoring the state of this issue for the past few minutes and will resolve this incident once we are certain that all currently waiting builds will be processed as expected.
Issue
We identified the cause of the issue and have already put mitigation measures in place.
Investigating
There may be an issue with Release phase which appears to be causing new deploys to hang. We are currently investigating and will report back once we know more.