Are you seeing the same issue with HipChat Mac client v4.0.8 (HipChat Client Release Notes)? If so, please reach out and file a support ticket at support.atlassian.com with your OS X version number and HipChat client logs (Sending Mac Client Logs to Support). Thanks!
HipChat Server Support Engineer | Atlassian
...have mention name FirstnameLastname. Fe.: @MaartenCautreels This certainly helps to know who is being mentioned in a conversation. Imagine your colleague sends the following message...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs
We're bringing product updates and pro tips on teamwork to ten cities around the world.Save your spot