As of March 05, 2011, Japanese METI published new export control list update in its public comment web site. The list update is to reflect the list change of international regimes, such as Wassenaar Arrangement ("WA") December 2010 list update.
On May 13, 2011, METI announced the list update will be officially issued on May 18, and be forced in place on July 1, 2011. I will analyze the list change after May 18.
(Reference: http://www.meti.go.jp/press/2011/05/20110513001/20110513001.html )