▲ 33 ▼ Optus says changes after a 'routine software upgrade' to blame for nationwide service outage (www.abc.net.au) submitted 2 years ago by Nath@aussie.zone [M] to c/australia@aussie.zone 12 comments fedilink hide all child comments So it turns out that the cause was indeed a rogue change they couldn't roll back as we had been speculating. Weird that whatever this issue is didn't occur in their test environment before they deployed into Production. I wonder why that is.