The 0.8 series provides further tweaks and stability improvements. It is also updated to work optimally with the Zeitgeist 0.8 series.
The 0.6 series of Gnome Activity Journal is focused on improving usability and integration with the GNOME Desktop.
This series will introduce a new set of functionalities and improved user experience...
Development series leading to a stable 0.4 release.
The "trunk" series represents the primary line of development rather than a stable release branch. This is sometimes also called MAIN or HEAD.