The Simpsons: Tapped Out Winter 2015 content update/Act Maggie Special

Act Maggie Special of the event started January 2, 2016 and lasted till January 19th. It was teases on December 30, 2015 by EA on the game's Facebook page.

January 19 Update (4.18.6, "4_18_XMAS2015_Takedown")

 * Snow and winter theme were removed.
 * The app icon, the splash screen, Friend visit's icon, Town landing zone and Daily Play Combo were changed to non-event ones.
 * Imaginary Bear was added.
 * Fortress of Lonelitude, Moonshine Shack, Gingerbread Mansion and Best Snowman Ever were removed from the Business inventory group.
 * A glitch involving Fortress of Lonelitude, Moonshine Shack, Reindeer Burger Truck and Exotic Petting Zoo remaining vandalized was fixed.
 * Slide Factory message on Build Menu that it generates event currency was removed.
 * Private Island's build time is now 4h.
 * Health Spa, Plastic Surgery Center, Column Mansion, Montessori School, Ziff Mansion, Burns Slant-Drilling Co., Incubator Think Tank and Polo Field House were added to the Misc. Cash group.
 * Things Unnecessary now has a job: "Selling Unnecessary Things" (4h).
 * Reindeer Burger Truck was added to the Shop group.
 * Where's Maggie? minigame now has new prize boxes icons.
 * Where's Maggie? guide's picture was removed and now it's just text.
 * Incomplete Winter 2015 buildings can now be stored.
 * Permanent Daily Challenges system was added but yet incomplete.
 * The 2014 from the ribbon on Christmas Lard Lad Donuts was added back.
 * Christmas Orange House had its Christmas lights added back.
 * O'Flanagan's Pub was resized from 6x5 to 5x4.