I noticed my comments UI changed and now the timestamp isn't clickable. It used to be a link to the comment. The equivalent thing is now to click the dropdown menu and click "Copy link" then paste the link into the address bar.
Please add back a clickable timestamp. I use it to focus on a particular comment (it scrolls into view and gets highlighted yellow), and sometimes when I have to switch tabs and come back, having the comment in the URL helps me remember what I was doing.
Alternatively, you could change the "Copy link" button to a clickable "Link" button and use the right-click menu in order to copy it, but I don't think you or I would prefer that.
toggle format). That's not very convenient, but at least it also works on mobile. OTOH, trying to read comments in the timeline on a phone is painful.