Firefox has changed a lot after version 3. I personally think the main reason is the advent of Google Chrome. For example, To open the Downloads window, one has to press Chrome's combination ...
Why does Firefox remove the “close tab button” when you have more than n tabs open unless you focus on the tab?
The origin of this question is that I've tried to find a way to override the behaviour of Firefox which removes the close tab button of unfocused tabs as the number of tabs rises, with no luck. My ...