I don't encounter all of them myself - it depends on what I'm working on and perhaps also the timezone. That said, April 26th was the most recent occurrence for me where I was very happy I wasn't in the middle of a production deployment that I would have had to roll back. See the status updates on that day on https://twitter.com/GitLabStatus

(I am using the free tier though, so this is more informative than that I'm complaining.)