Banshee 2.3.3 has been released! Banshee 2.3.3 is part of the 2.3 development series leading up to 2.4, scheduled for March 2012.. Read the release notes for more info.
Banshee is a default application on Ubuntu 11.10. Ubuntu has a policy of not updating the version of a shipped application, so the version available in the default repository might be old. Note that Canonical modifies our code to take a 75% cut of our Amazon affiliate revenue. If you use Banshee from the community PPA below, 100% of the affiliate revenue will go to GNOME.
To upgrade Banshee to the latest version open a terminal window (press Ctrl+Alt+T) and copy+paste the following lines:
sudo add-apt-repository ppa:banshee-team/ppa
sudo apt-get update && sudo apt-get upgrade