Sort user topics by replies or views

I noticed a slight glitch in the forums. If you go to a user's topics listing (example), the listing is always sorted by most recent activity. There are buttons to sort by replies and views instead, but even if you use them, the sort order is still by activity.

This doesn't appear to be a problem in the official Discourse forums, so I don't think it's entirely an upstream issue.

(This came up as I was trying to find a certain post I came across a week or two ago. I couldn't think of great search terms, so wanted to sort by activity instead.)

(BTW, I did find the post I was looking for, using ye olde Google search)