Speed: We’ve moved to a new infrastructure that makes every page faster. This new platform will enable us to keep up with traffic growth while ensuring Delicious is responsive and reliable.
Search: We’ve completely overhauled our search engine to make it faster and more powerful. Searches used to take ages to return results; now they’re very quick.
Design: Finally, we’ve updated the user interface to improve usability and add a few often-requested features (such as selectable detail levels and alphabetical sorting of bookmarks).
They’re also promising that it will be “faster, easier to learn,” and “hopefully more desirable.”
Take a look, or grab an account: