Mouseover a tab moves it to the front

[Kennel]

Kennel last edited by leocg

When the mouse is hovering over Opera tab, the browser moves that tab (and window) to the front which is a very bad experience on a Mac. Is there a way to disable that behaviour?

The problem is huge and I am surprised that no one is talking about it on a forum. For me it is so disruptive that if there's no way to disable it I will ditch this otherwise decent browser. Please advise.