From:worldofwarcraft.com

It's that time of the year again! All across Azeroth and Outland, festive decorations adorn towns and cities as the Horde and the Alliance begin their annual celebration of the Feast of Winter Veil. Join in the festivities and experience some brand-new Winter Veil content this year, such as...

* New holiday themed cooking, tailoring, and leatherworking recipes
* A new mechanotoy present under tree on the 25th - the Clockwork Rocket Bot
* Outland bosses that drop festive red and green winter hats matching the tailoring and leatherworking clothes
* Improved Fresh and Preserved Holly that now also works on flying mounts, transforming them into flying reindeer

To learn more about this event, check out the updated Feast of Winter Veil game guide page. And to get into the holiday spirit, make sure to check out The Night Before Winter Veil, the Blizzard holiday skit.