"Contrast this with your favourite web browser, which pushes out updates every six weeks. I don't even need to know what your favourite browser is to make this generalisation because they all do it."
Mine doesn't. SeaMonkey's at version 2.46, kept fully up to date, and hasn't had a major UI change in ages.
It just works, and works well.
(ACK! Screwed up the URL and didn't notice before the 10 minutes was up, withdrawn and corrected.)