Most importantly, from a user perspective, Jetpack will allow new features to be added to the browser without a restart or compatibility issues, resulting in little to no disruption to the online experience.
As with all Mozilla Labs initiatives, Jetpack is an open source project and everyone is welcome to participate in its design, development & experimentation.
Two very fast update for Firefox. Now available for update Firefox 3.0.3 with the fixed problem where users were unable to retrieve saved passwords or save new passwords. But for Firefox 3.0.2 there are a lot of fixed problems like security issues, stability issues, layout problem with certain web pages. A full list you can find in the 3.0.2 release notes.
You can download Firefox 3.0.3 from here or if you have already installed any previews version you can simply update in two steps. Going to Help menu and after Apply Downloaded Update Now:
Among Firefox 3 pending improvements it a cool tab preview feature that shows actual thumbnails of the currently opened tabs. The feature is currently available as an experimental extension developed by Dao Gottwald, but could make its way to Firefox 3 final code.
First, the List all tabs button in the tab bar is replaced with a button that opens a black window with thumbnails and the active tab highlighted in a slightly bigger size. Tabs can be located by inspection or you can enter a few letters from the tab title you want and thumbnails are quickly filtered out.