URLs sometimes work and sometimes don't. The UI is complex compared to the (old, on premise) Jira which is saying something - looking for tickets that you know are there is infuriating. The best way to copy the ticket text (once you do find it) is to copy it from the changelog and clean it up, or just take a screenshot... and so on. One of the worst UIs I have ever seen. Pretty? As a picture. Useful? Hell no.

Sorry for the rant, but I have pretty strong feelings about it. Moved to (online) Jira and while not perfect, it's much better than ClickUp.