We’ll never know who said it first, nor whether the coiner spoke sheepishly or proudly, angrily or slyly. As is often the case with offhand remarks that turn into maxims, the origin of It’s not a bug, it’s a feature is murky. What we do know is that the expression has been popular among programmers for a long time, at least since the days when Wang and DEC were hot names in computing.

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