Not as 'orrible as the ever-decreasing functionality of the latest few versions of Opera, mind; but it's not nice.
For anyone who didn't fall instantly in love with the new, extra-flashy, swoopy Firefox 29 "Australis," this add-on will restore some degree of sanity. Amongst other things, it makes the add-on status-bar available again, via the context ("right-click") menu, brings back those nice, tidy, unobtrusive square tabs, and gives those of us who prefer to use the menu-bar instead of the Big Orange Button the choice to remove said button. Nice!
Oh, and for those who are wondering where the hell the title-bar went, it's restorable via a button at the bottom-left of Firefox's regular customisation facility.
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