- Sync Picasa 3 with Picasa Web Albums
- New Retouch tool
- Add text or watermarks to photo
- Print captions
- Manage Picasa Web Albums
- and more
For more detailed list of new features, including Linux specific ones, please visit the download site.
Just like the previous Picasa for Linux version, Picasa 3 is not *yet* a full, native Linux application.