configurable! Menu items can be disabled, repositioned, added and so on. Upgrading to requires you to run update.php. This functionality depricates some of the 'navigation modules' in the contributions repository. Furthermore, modules can now 'suggest' menu items and site adminstrators can choose to enable them. Modules in the contributions repository should try to take advantage of this.10bdb51c
To find the state of this project's repository at the time of any of these versions, check out the tags.