It’s worth mentioning that it was a non-event thanks to the tireless efforts of millions of programmers reviewing billions of lines of code.

Oh, I don’t mean to downplay the magnitude of the challenge! That it was a non-event is a minor miracle easily a decade in the making thanks entirely to the efforts of people way smarter than me. While I didn’t sit in on code reviews myself, there were a couple of Old Programmers who came back from retirement to review some of our own COBOL code, and older. They were happy ro share. It was a formative event for me as a young buck.

The UNIX epoch rollover in 2038 is going to be more of the same. Many systems haven’t yet been converted over to 64-bit time, and there are a LOT of embedded systems out there. Hopefully attrition will take them, but we all know the IT lore of that one old NT server sealed up in the wall, and still serving files somehow…