Thanks to Suvayu Ali for this addition.
If something does not work, please report it on the mailing list.
+**** Other changes
+
+1. Attribute lines now take plists:
+
+ : #+attr_latex :width "5cm"
+ : #+attr_beamer :options "width=5cm"
+
+2. Beamer backend now interprets nested headline levels as blocks instead
+ of lists. For some preliminary guidance you can look at [[http://orgmode.org/worg/org-tutorials/org-beamer/org-e-beamer.html][this page]].
+
*** Using Org 7.9.3e or earlier versions of Org
Some quick notes on how to switch to the new exporter.