>
> Other than that, I've heard a few stories online of troubles caused
> by excessive bypassing causing oscillations, etc, and I'm sure it's
> possible, but in my relatively short time I haven't run into it.


I saw one case of a 7805 that was very hot on a light load.
The bypass cap had gone bad, and the reg was oscillating at about 2 MHz,
with several volts P-P.
People forget that these regulators are high gain amplifiers with phase
shift.
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