Why are some comments highlighted in yellow?

In some posts, I see some comments are highlighted in yellow for no obvious reason that I can figure out. Example post here

It’s not just the OP’s comments, it’s not just all comments, so ???

I haven’t seen this before, so maybe this came in the new lemmy 0.19 update?

What does the highlighting mean?

AFKBRBChocolate, (edited )

I believe that’s for comments that are newer than ten minutes (same maybe also unread?).

Vampire,
@Vampire@hexbear.net avatar

Those ones win you entry to the chocolate factory

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