That discussion seems to indicate that 1) it was a console/UI issue (not a service outage), and 2) it was actually resolved within the day but the final incident update came 3 days later.
Re:Gitlab's Journey from Azure to GCP
by jamesblonde on Friday May 03, 2019 @05:07AM
(#19816738)
The outage brought down spotify, snapchat and others.
Those are two separate links to two separate incidents.
It doesn't look like a good service to me at all.