Some of the key packages making their first appearance with this Alpha 2 release are:
LibreOffice 3.3 (has replaced OpenOffice.org 3.2)
Linux Kernel 2.6.38-rc2.
X.org Server 1.10 and Mesa 7.10
Ubuntu Desktop Edition
Unity is now the default in the Ubuntu Desktop session.
This is partially implemented. The Unity Launcher is now available; it can be used to launch applications that are pinned to the launcher and switch between running applications. It support Quick lists on context menu. There is a rudimentary Places implementation now, but it is still very unstable, and scroll bars and search do not work yet.
Software Center
The ‘Ratings and Reviews’ feature landed in the Software Center, allowing anyone with an Ubuntu Single Sign On/Ubuntu One account to submit ratings and reviews for applications. Users can also optionally share reviews via integration with social networking services added into Gwibber.
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