There aren't any automatic notifications and that's by intentional design, to break the strong engagement loops that other social media sites run on. Confirmed

There aren't any automatic notifications and that's by intentional design, to break the strong engagement loops that other social media sites run on. Confirmed by HN's @dang here: https://news.ycombinator.com/item?id=22930391 https://news.ycombinator.com/item?id=22930391 (You can *manually* scan for replies in your "threads" link, on the off chance you haven't noticed that).