- Go to a topic
- Reply to the first post.
- Type a message that @-mentions a user
- In the preview area, click the @user.
Instead of a pop-up being displayed, a new page request is made for the user’s profile.
After clicking the browser’s back button, the message that was being composed, may also be lost.
I’ve been bitten by this while composing a long reply summarizing a few topics. Wanted to click on one of the users I’ve @-mentioned to make sure they hadn’t already addressed my reply with one of their posts.