One day after the official release of Ubuntu 12.04 Alpha 2 LTS Precise Pangolin, Unity 5.2 user interface is available to update from Precise repository. The last release brings several changes to Unity Dash and Compiz improvements to decrease Ubuntu Unity plugin crashes.
Ubuntu Home Dash
Ubuntu home dash no longer display applications shortcuts and now shows the recent search result for applications, files, and directories through home dash icon.
It shows the recently used applications instead of most frequently used applications.
Music lens has a small layout change, it now shows the 3 column for genre filter category.
Now you can run and switch between applications through the Unity Launcher with“Super+Tab” and for reverse mode using “Super+Shift+Tab”. To Adjust the shortcut keys go to CompizConfig settings manager “CCSM” from “Ubuntu Unity Plugin” then you will find it beneath behavior tab.
Keyboard Shortcut Overlay
Hold the Super Key will display the the keyboard shortcut overlay, with several keyboard shortcuts become very helpful to quick control Unity user interface elements. You might want to Check Unity The HUD feature “still under development and not updated for Unity 5.2 yet”.
Update For Ubuntu 12.04 LTS Precise Pangolin
To update to Unity 5.2, run terminal
sudo apt-get upgrade
Check the rest of the changes for Unity 5.2 in the changelog page.