It's their little messaging thingy in the bottom right. You have to click the x to close the notification. It's seriously obnoxious! Also, as a side note, the

It's their little messaging thingy in the bottom right. You have to click the x to close the notification. It's seriously obnoxious! Also, as a side note, the whole article is written by a JIRA competitor. Totally not biased at all!