Minor issue but a tad disconcerting until you realise what's happening.
If you select another item in the Items tree the properties dialog isnt updated to the newly selected item until either a resize or a click into the scene editor view pane.
http://i.imgur.com/oWviowX.jpg
(I should add Debian Jessie (stable) and using XMonad as a window manager)
Update of Properties pane when selecting in the Items tree
Re: Update of Properties pane when selecting in the Items tr
Hmm... yes, this is a bug. Thanks for spotting and reporting it