Firefox Aurora 25 hover over tab not working

[chrismcenteer]

In Aurora 25 with Private Tab enabled when I hover over a tab it does not display the full text of the tab's title. I tested it with all other add ons disabled, and it still occurred.

Here's what should happen:

And this is what happens when Private Tab is enabled:

Thanks for any help!

[Infocatcher]

Already fixed in development version: #75.
Anyway, it's time to make release... But I'm not so fast as Firefox developers. :)