What happens when you introduce a bug that isn't discovered for 6 months? What happens if you think of a better way to do something? What happens if you're work

What happens when you introduce a bug that isn't discovered for 6 months? What happens if you think of a better way to do something? What happens if you're working on something and the power goes out, leaving you with partially-completed and saved work with no editor history? And so on...