There is a shed-load of new functionality. Mostly under the hood stuff. You surely have noticed pages load dramatically faster right? And AJAX heavy apps like Gmail just ping onto the screen now.
The real one for me is Mozilla Weave. It's a labs project for syncing multiple instances of Firefox across computers (all OS's) by storing information you specify (bookmarks, cookies, passwords, history) encrypted on a server.
There is a shed-load of new functionality. Mostly under the hood stuff. You surely have noticed pages load dramatically faster right? And AJAX heavy apps like Gmail just ping onto the screen now.
The real one for me is Mozilla Weave. It's a labs project for syncing multiple instances of Firefox across computers (all OS's) by storing information you specify (bookmarks, cookies, passwords, history) encrypted on a server.
Info:
https://labs.mozilla.com/forum/index.php/topic,393.0.html
Registration:
https://services.mozilla.com/