The next jenny release will (probably) stop supporting the old “Hash Tag Extension”, which was deprecated at the end of 2022. It was once used for threading and looked like this:

<a href="https://twtxt.net/search?tag=tsvhqdq">#tsvhqdq</a>

I don’t see them being used in the wild anymore. But if you happen to fetch really old feeds (or some archived feeds), things might break a little.