I vaguely recalled somewhat like this, but my memory banks were affected by an ion storm of sorts. Yet it certainly was not feminist, with a power-hungry hysterical female (though not as demeaning as NOMADS scan of Uhura's brain), and was far from the profound City on the Edge of Forever.
Today the Enterprise would encounter a world of gender-neutral humanoids, and with the Prime Directive mandating using the subject's chosen pronouns.