- Two-way synchronization between devices and the Songbird library.
- Automatic organization of downloaded and ripped files into an Artist/Album filesystem hierarchy.
- The PlaylistCommandsBuilders interface has been deprecated. Add-on developers should use the new playlistcommands interface.

- Two-way synchronization between devices and the Songbird library.
- Automatic organization of downloaded and ripped files into an Artist/Album filesystem hierarchy.
- The PlaylistCommandsBuilders interface has been deprecated. Add-on developers should use the new playlistcommands interface.

- Fixed Bugs.

- An always-available, on-the-fly playlist queueing feature.
- 7digital music store addon redesign.
- Performance improvements.
- Faster search and filtering.
- Fixed bugs.

- Support for device synchronization on Mac OS X via the MSC add-on.
- Support for the following devices: BlackBerry Storm, HTC Evo, HTC Magic, HTC Tattoo, LG KU990i Viewty, Nokia N85, Nokia N96, Nokia N97, Sony Ericsson W980.
- A complete visual and behind-the-scenes overhaul of the Service Pane.
- Fixed bugs.

- Fixed bugs.

- Songbird now supports the Philips Muse and CAM devices.
- Support for removable SD storage in devices.
- MPEG-4 and WMV encoding support.