Angry Birds Christmas Edition Released In December?

It appears that there will be something new Angry Birds issued by the game, because Rovio, game developers are changing the picture on their Facebook profiles with pictures Angry Birds wearing Santa Claus hats.
Until now, ni Rovio have not provided an official statement about the 'Angry Birds Chrismas-Edition'. Previously, Angry Birds Halloween was launched on October 21, yesterday. Halloween Birds Angry enough to satisfy the fans with the 45 level in the game also the thematic content, including visual appearance later. Similarly, as quoted from Pocket-Lint, Saturday (27/11/2010).
In his screen-shot shown that several pigs in this game wearing Christmas hat. There are also some bonus Christmas gifts and several obstacles made of snow.
a lot of news which mentions that this game will be launched on December 11, 2010.