• klu9@lemmy.caOP
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      21 hours ago

      Thanks. Although it just occurred to me: I’m pretty sure that was the first time I was viewing that post.

      • klu9@lemmy.caOP
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        2 hours ago

        Confirmed. I just opened a post I’d never opened before, and one comment was highlighted. It had been posted just four minutes earlier, so perhaps it is determined by a time limit.