I love your transparent communication and how quickly you guys respond with an explanation of what actually went wrong and how to mitigate these issues in the future. Such things happen.
They wrote a two-page essay and buried in the middle is the one-sentence root cause of "someone changed something and made a mistake". No explanation or details given.
This is exactly how to pretend you have incident reports without actually having them.
Luckily, the HN crowd is able to piece it together and explain in detail.