I’ve just installed Firefox 1.5. I managed to update most of the extensions from my previous setup (1.0.7). One ‘Alert Link Type‘ and ‘Wiki-Quick-Find‘ are still missing. Tab rearrangement is inbuilt now, something good to have. I got this ‘Colorful Tabs‘ extension and it looks great.
There is a Firefox 1.5 review at NewsForge that mentions faster browsing with new Firefox. I’m yet to be convinced.
Earlier, Firefox window sometimes used to just disappear and re-appear in taskbar, I hope it’s fixed now, as well as some memory usage issues on WinXP.