The Project Activity page will give an historical log of at least all activities which had happen in the given project.This will include changes to
- Bugs, Features, Patches
- Checkins into the repository (Changesets)
- News Area
The above things are shown by default. Never the less you can activate list of changes to the wiki or to the Forums area (Messages).
(TODO: Add screenshot)
(TODO: Add List with symbols and their meanings).