The Simpsons: Tapped Out Winter 2015 content update/Act 1

Act 1 of the event started December 8th, 2015 and lasted till December 19th at 8am GMT.

December 8 Update (4.18, "4_18_XMAS2015", "4_18_Maggie")

 * 4.18.1 (iOs) / 4.18.2 (Android / Kindle)
 * "4_18_XMAS2015"
 * "4_18_MAGGIE"
 * The app icon, the splash screen and the Friend visit's icon were changed to new ones for the event.
 * The Daily Play Combo was changed to pay out Event Currency.
 * The whole game was changed to winter theme and snow is falling.
 * Sleep-Eazy Motel, Zenith City Apartments, Zenith City Lofts, Zenith City Store Front, Zenith City Times and Death Mountain can't be built from inventory anymore.
 * Santa's Little Helper and Snow Monster now have jobs.
 * Funzos are now part of the Robots character group.
 * Building Blocko Store now requires Level 5 and yields instead of.
 * King Winter's Cave was added to the Characters inventory group.
 * Springfield Skating Rink was added to the Civic inventory group.
 * Grampa Snowman was added to the Decorations inventory group.
 * First Ever Christmas Tree was removed from the Decorations inventory group.
 * King Winter's Cave and Fever Cabin were added to the Houses inventory group.
 * Homer, Lisa, Bart, Marge, Maggie and Grampa Snowmen were added to the Miscellany inventory group.
 * It's A Wonderful Knife was added to the Squidport inventory group.
 * Sophie Krustofski was added to the characters that can Go to School.
 * Marge's Walk Maggie requires to not have unlocked Maggie.
 * The glitch preventing the build menu from working properly and not show the raccomandation and event panels was fixed.
 * Old Simpson Farm, Simpson Houseboat, Mechanical Ant Alpha and Death Mountain's Conform-O-Meter rating was removed.
 * Landing Zone was changed to Simpson House.
 * The Proclamation of Decoration was set to end at the end of the Winter 2015 event.
 * A glitch showing a levelless Deluxe Condo in the store was fixed.
 * Stonecutter Daycare Center now requires Level 5.
 * Event Leaderboard was added.
 * Kang and Kodos' 16 Hour Evil Chortle is no longer located at Victorian UFO.
 * Rigellian Tribal Hut was removed from the Home group.
 * A new cutscene is set to play when Maggie will be unlocked.
 * Building Santa's Workshop now requires Level 5 and yields instead of.
 * Building Egg Nog Bar now requires Level 5.
 * Building Helter Shelter now requires Level 5 and yields instead of.
 * Building Springfield Skating Rink now requires Level 5 and yields instead of.
 * Building Toy Workshop now takes 6 seconds, yields and  instead of  and, and can't be built from Inventory.
 * Festive Light Plunger now has a 0.75% Bonus $ and XP and placing it yields XP instead of.
 * Placing The North Pole yields instead of.
 * First Ever Christmas Tree is no longer unique and has a 0.25% Bonus $ and XP.
 * Placing Nativity Scene now yields instead of  and now has a 1.5% Bonus $ and XP.
 * Placing Fever Cabin now yields instead of  and now has a 0.25% Bonus $ and XP.
 * Placing Homer Fever Snowman and Burns Fever Snowman now yields instead of  and now has a 0.25% Bonus $ and XP.
 * Homer Fever Snowman and Burns Fever Snowman are no longer unique.
 * Little Helper Ralph jobs now yield premium payout.
 * The Twin Moguls Of Ned Flanders Pt. 3 now requires to build the First Church of Springfield instead of Moe's Tavern, though stated wrongly ingame.
 * Mr. Burns' hair was changed from gray to blue.
 * Smither now has blue glasses instead of clear ones.
 * Marge has a new unlock picture Maggie-less.
 * KBBL Radio become taller.
 * The 2014 from the ribbon on Christmas Lard Lad Donuts was removed.
 * Bramble Hedge's front and back images were switched.
 * Christmas Orange House had its Christmas lights removed.

December 9 Update ("4_18_XMAS2015_Patch1_PostLaunch")

 * R.O.S.A was removed from the Robots character group.
 * Milhouse's Decorate His House, Cletus' Decorate His Farm and Rev. Lovejoy's Decorate His Church were changed from 1 minute to 8 hours.
 * Event Leaderboard's naughty and nice colors (previously inverted) were corrected.

December 10 Update ("4_18_XMAS2015_Patch2_PostLaunch")

 * Murdered Snowman is now animated.
 * All the Christmas skins are now animated and glowing, also fixing a overlay glitch, with buildings going over characters.
 * The icon on top of the Things Unnecessary changed.

December 16 Update ("4_18_XMAS2015_Patch3_PostLaunch")

 * Sophie Krustofsky is now available in the store instead of starting on Act 2.
 * Sophie Krustofsky was added to the Youngsters, Premium Characters and Premium Females character groups.
 * Sophie Krustofsky now pays out premium.
 * Sophie Krustofsky's height was changed from 160 to 90.
 * Sophie Krustofsky's speech bubble was moved right by 45 pixels.
 * Her Father's Googly Eyes Pt. 2 to 5 are now started by Krusty instead of Sophie Krustofsky.
 * Sophie Krustofsky's Hang Out With Dad now yields instead of.
 * A glitch in Weekly Challenges involving Loyalty Stamps was fixed.
 * A glitch where the cost in ads is not deducted while upgrading Exclusive Resort was fixed.
 * In Act Maggie Special's questline, jobs' names were changed.
 * In The End of the Beginning Pt. 9, Make Homer Find Ever Shorter Ways to Something Something become Make Homer Acronymize Acronyms.
 * In The End of the Beginning Pt. 13, Make Moe/Lenny/Carl Along Because He is Bored become Make Moe/Lenny/Carl Tag Along Because He is Bored.
 * In The End of the Beginning Pt. 14, Make Mr. Burns Recruit Babies to Work at the Power Plant become Make Mr. Burns Recruit Babies to Work.
 * In The End of the Beginning Pt. 18, Send Homer to Krustyland become Go to Krustyland.
 * The End of the Beginning Pt. 20 and 21 were changed and split in 3 parts:
 * In The End of the Beginning Pt. 20 the objective changed from Make Homer Guess Mr. Burns's Password to Go to Springfield.
 * In The End of the Beginning Pt. 21, the objectives changed to:
 * Make Homer Guess Mr. Burns's Password
 * Make Carl Argue Online it's a Retelling of the Genesis Myth
 * Make Moe Complain Online That the Game's Not Good Anymore
 * Make Homer Troll the Forum with Shirtless Selfies.
 * The End of the Beginning Pt. 22 was created and the objectives are now:
 * If the user has Lenny and Carl:
 * Make Moe Argue Online That Maggie Created Skyfinger
 * Make Carl Argue Online it's a Retelling of the Genesis Myth
 * Make Lenny Complain Online That the Game's Not Good Anymore
 * Make Homer Troll the Forum with Shirtless Selfies
 * If the user doesn't have Lenny and Carl:
 * Make Moe Argue Online That Maggie Created Skyfinger
 * Make Lisa Argue Online it's a Retelling of the Genesis Myth
 * Make Bart Complain Online That the Game's Not Good Anymore
 * Make Homer Troll the Forum with Shirtless Selfies