[places] tab key does nothing

If I remember it correctly, they have decided Ctrl-Tab is the key to switch between lenses.
I found it after i logged this bug

yes, the spec was discussed here: #891648.

Hello Lohith, or anyone else affected,

Accepted unity-2d into precise-proposed. The package will build now and be available in a few hours. Please test and give feedback here. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you in advance!

This bug was fixed in the package unity-2d - 5.12.0-0ubuntu1

---------------
unity-2d (5.12.0-0ubuntu1) precise-proposed; urgency=low

  * New upstream release:
    - unity-2d-shell crashed with SIGSEGV in ref() (LP: #968046)
    - [hud] First entry always activated with keyboard navigation
      (LP: #980899)
    - unity-2d-shell crashes on autoscrolling on launcher tile removal
      (LP: #988239)
    - unity-2d-shell crashes when using with a NX server (LP: #983942)
    - Dash - update Dash keyboard shortcuts so the 'CTRL + TAB' switches
      between Lenses and 'TAB' by itself moves the focus between categories
      (LP: #891648)
    - [spread] When multiple windows of an app are open, clicking on one
      doesn't bring it to the foreground (LP: #917334)
    - [HUD][multi-monitor] HUD should be expanded to the left if used on a
      screen without launcher (LP: #979927)
    - unity-2d scope un-url-escapes values from its model (LP: #986175)
    - [places] tab key does nothing (LP: #891565)
    - HUD is silent to screen readers (LP: #949445)
    - launcher background coloring does not get reset when using enter to
      activate/start a program (LP: #965079)
    - [multi-monitor] [launcher] Drag & drop application to launcher on
      primary screen, other launchers not updated (LP: #966239)
    - HUD gets activated by Thinkpad USB Keyboard's back and forward buttons
      (LP: #968840)
    - Unity 2D doesn't load 24 bit icons (LP: #977262)
    - Four finger tap does not open the Dash (LP: #978659)
    - No icon in launcher entry, after installing software (LP: #980640)
    - Menu items displayed incorrectly when window streched over multiples
      monitors (LP: #987215)
    - [unity-2d-panel] The close button (potentially the others too) can
      toggled even when they are not visible anymore (LP: #924264)
    - When closing the Dash with the [x] panel button the last windows is not
      focused and doesn't allow to use window controls. (LP: #945459)
    - [launcher] item hint flickers when hovering between launcher edge and
      item (LP: #948383)
    - Missaligned progress bar (LP: #980609)
    - Launcher tile tooltip appears in wrong screen in RTL multimonitor setups
      (LP: #984080)
 -- Didier Roche <email address hidden> Fri, 27 Apr 2012 09:32:40 +0200