Nothing substantial has changed for a long time, so any recent update must be completely unrelated, e.g. if it worked before, it should still work now. What version did you update from, recently?
Do CloudFlare provide any logs as to why the site went offline? Certainly any web server logs will be essential to work out what's actually happening.
Do CloudFlare provide any logs as to why the site went offline? Certainly any web server logs will be essential to work out what's actually happening.