Finally, WordPress 2.1 codenamed Ella, after the Jazz vocalist Ella Fitzgerald hits the dock today 
A summary of features is given below 
:
- Autosave
- New Tabbed Editor
- Loseless XML Import and Export
- Spell Checking
- New Search Engine Privacy Option
- Static Page Option
- Efficient Database Code
- AJAX Features
- Feeds Remake
For a more detailed list of Features and functions visit WordPress Development Blog