Atlassian abandoned HipChat's bug tracker, and put up a fresh JIRA that they discourage you from using at several steps. That's one way to get the bug count down without fixing any bugs.
I still remember, and have nightmares about, the day ~300 users lost all private chats, private room membership, and chat history, all because of braindead design.
Hipchat is not my favorite atlassian product. The only reason they have any traction whatsoever is because Slack doesn't offer a behind the firewall product.
Why can't HipChat message editing be as easy as Skype's? If HipChat is at all targeted for devs, why is pasting/sharing code a pita? Where is bold/italics on linux? Your own hyperlinks (instead of pasting raw urls?
I only use HipChat because the alternatives at my company are worse. Even IRC seems better at this point.
No doubt they'll sell someday though so w/e. Temporary / replaceable is the new norm for productivity tools. Beware lock-in! Might end up back on IRC next.
The editing function is embarrassingly bad. I get it, I've been on IRC when Perl was cool, but I can't believe they're shipping that. I don't think I've seen a non-programmer use it, ever.
I've also never felt so unwelcome in a bug reporter as in HipChat's. It really reminded me that Atlassian sells to suits, not to users.