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by yjftsjthsd-h 699 days ago
> I'll extend my argument to suggest that most HNers are familiar with changes that can not be tested in isolation, simply because they require significant changes to the whole platform. [0]

Flag days are still tested in a staging environment that represents production as closely as possible, and the overwhelming view of the kind of change you're talking about on a technical level is generally don't do that if you can ever help it.