This is the 0.5.0 RC2 release.
This release includes way too many changes for them to be listed here, but one of the key feature is the rewrite of the navigation engine, and this RC2 includes a new renderer, based upon Cairo instead of GDK ( check http://trac.navit-project.org/attachment/ticket/66/navit-gdk-cairo.png to see the improvements! ).
Some translations might not be completed at the time of this release candidate. If you spot a mistake or a missing translation, please let us know : http://wiki.navit-project.org/index.php/Translations
If you are using Android, you can become a beta tester : https://play.google.com/apps/testing/org.navitproject.navit
Feedback is welcome!