• by CarolineW on 11/5/2016, 11:46:58 AM

    It does. Comments have a little "[-]" next to them - click on that and the comment and its tree of descendants collapses. It was implemented nearly four months ago - here's the announcement:

    https://news.ycombinator.com/item?id=12073675

  • by lucb1e on 11/5/2016, 11:45:53 AM

    If you have Javascript enabled, you should be able to now. It was implemented a few months ago. It even remembers which comments you collapsed, so it's actually better than reddit's implementation.

  • by Tomte on 11/5/2016, 11:46:28 AM

    Why do you ask us? Mail the mods.