The Simpsons: Tapped Out Wild West content update/Act 1

Act 1 of the event started April 19, 2016 and lasted till May 3rd at 7am GMT.

Dates
All time are GMT.

April 19 Update (4.20.1;"4_20_WildWest";"4_20_CRUE")

 * 4.20.1
 * "4_20_WildWest"
 * "4_20_CRUE"
 * The app icon and the splash screen were changed to new ones for the event.
 * Flipped Springfield Post Office's detached door was fixed.
 * A new building group was added, Bandit Hideouts: Simpson House, Kwik-E-Mart, Brown House, Flanders House, Krusty Burger, Android's Dungeon, Bank, Ordnance Express, Part and Parcel Postal, Blacksmith, Wild West Film Set and Old Mine.
 * Springfield Penitentiary doesn't show the required quest to activate it anymore and can now be accessed in Early Access at.
 * A new character group was added, The Simpsons Family: Amber Simpson, Bart, Homer, Lisa, Marge, Grampa, Maggie and Hugo.
 * A new character group was added, Agnes Past Beaux: Chalmers, Mr. Burns, Comic book Guy, Grampa, Willie, Otto, Kang, Barney and Sideshow Mel.
 * Sideshow Bob's spawn rate if he has not been unlocked and Bob's Victorian House is not bought, has been doubled.
 * Wild West event's Daily Challenges were added.
 * Dirt tile and Dirt road tiles were added. On friend's towns, dirt tile and dirt roads do not appear. Instead they are rendered as default grass.
 * Event Friend Leaderboard was added.
 * A new system has been added for jobs to indicate if jobs are blocked, completed, in progress, limited time. It has been applied to task book and character locator.
 * An icon for animated jobs has been added to the jobs list.
 * A yellow border has been added for selected quest on task book and job list (replacing the yellow text).
 * A new row of land was added but it's glitched and tiles can't be added.
 * Large Hedge's menu icon now reflects the still going Easter look on the item.
 * Adjacent roads now look different, the center looks divided in squares instead of a full line.
 * Friend Points can now be collected even at max level but don't count toward any new FP prizes.
 * Many items can now be placed on Dirt.
 * Barrier and Monorail Tracks can now be placed on Dirt road, Dirt and Dirt edge.
 * Buildings with a payout of 24h or less can no longer be rushed with donuts.
 * Quests windows are no longer centered anymore but are all drawn from the same height.
 * The ability to send multiple characters on jobs till a quest requiring them is completed by completing other jobs was removed.
 * Town land point was set to the Town Plaza.
 * Secondary tasks in the task book are united in a box that can be opened to show them.
 * Edit grid now appears on placing tiles too.
 * IRS can now only be placed on grass and pavement.
 * Jobs can now be sped up for free when they reach a small fraction of their length.
 * A new character group was added, Rigelians: Kang and Kodos.
 * The character finder order is now first active questlines characters and then all characters in order of release.
 * Sir Love-A-Lot's audio clip was fixed.

April 20 Update ("4_20_WildWest_Patch_1")

 * Lag was fixed.
 * Large hedges were changed back to their non-Easter look.
 * The glitch not allowing tiles to be placed on the new land was fixed.
 * Friend Points don't show up anymore if max friend level is reached.
 * Negative Daily Challenges glitch was fixed.
 * Cow Tongues was removed from the premium store category.
 * Frontier Fence and Frontier Gate now yield when placed.
 * Chat Up Smokers, Ask for Counter Space at the Checkout, Go Grocery Shopping and Get Supplies for the Trail can now be done at any Kwik-E-Mart.
 * Youngsters' job Throw Garbage at Springfield Elementary now requires Skinner Unchained Pt. 2 and doesn't show up on job list till the quest is active.

April 21 Update ("4_20_WildWest_Patch_2")

 * Fort Sensible, Campfire, Obstacle Wall, Obstacle Tire, Obstacle Wire and Obstacle Log can now be placed on dirt.
 * Fixed animations on Town Plaza's jobs Ominously Warn and Promote Lawlessness.
 * Bart can't Abuse Lawlessness and Overreact to Warnings anymore.
 * Lurleen and Marge can't Abuse Lawlessness anymore.
 * Gummy Joe can't Overreact to Warnings anymore.
 * Wiggum can't Buy Overpriced Supplies and Rile Himself Up anymore.
 * Snake can't Get Riled Up anymore.
 * The Rich Texan can't Buy Overpriced Supplies and Overreact to Warnings anymore.
 * Belle can't Get Riled Up anymore.
 * Lisa can't Buy Overpriced Supplies and Get Riled Up anymore.
 * Belle can't Buy Overpriced Supplies, Overreact to Warnings and Abuse Lawlessness till Act 3 instead of being always able to.
 * The Rich Texan can't Get Riled Up and Abuse Lawlessness till Act 3 instead of being always able to.
 * Lisa can now Overreact to Warnings too.
 * A minimum rush price to upgrade the Town Plaza has been added.

April 22 Update ("4_20_WildWest_Patch_3")

 * The name of the friend that sent the prospectors appears when its tapped.

April 27 Update 1 ("4_20_WildWestPromo")

 * American Flag, Holo Flag, Rainbow Flag, Australia Flag, Brazil Flag, Cameroon Flag, Canada Flag, China Flag, Colombia Flag, Costa Rica Flag, Donut Flag, Ecuador Flag, England Flag, France Flag, Germany Flag, Ireland Flag, Italy Flag, Ivory Coast Flag, Japan Flag, Jolly Roger Flag, Learn to Fart Flag, Mexico Flag, Netherlands Flag, New Zealand Flag, Nigeria Flag, Norway Flag, Russia Flag, Scotland Flag, South Korea Flag, Spain Flag, Sweden Flag, Switzerland Flag, Thailand Flag, To Fraternal Love Flag, United Kingdom Flag, United States Flag and Wales Flag can't be flipped anymore.
 * Fixed the animation for Ice Cream Truck.
 * Hootenanny Barn's build time was changed from 8 hours to 6 seconds.
 * Fixed a glitch that dropped Act 2 and 3 currency before time.
 * The glitch with users that couldn't use the General Store to turn in currency was fixed.
 * The sound for friends dropping prospectors in town doesn't play anymore.
 * The sound for the Act 1 Finale video was changed.
 * Animation for the Act 3 Finale video was added.
 * Shredded Ned's animated jobs were removed.

April 27 Update 2 (4.20.2 Android) and May 2 (4.20.2 iOs and Kindle) Update

 * Dirt and dirt road on friends town not showing up glitch is fixed.

April 28 ("4_20_WildWest_Patch_4")

 * Frink's Mechano Spider's animation was fixed.
 * Both icon and appearance ingame of the Large Hedge are now on their non-Easter look.
 * Hootenanny Barn cost was changed from to.
 * Act 2 Finale scene audio was changed.
 * The icon for the first prize, Cactus Rock 3, of Act 2 in the General Store was changed to its proper one instead of Cactus Rock 2.
 * Where's Maggie? minigame was fixed.
 * The ability to tap more than 3 bandits in a neighbour's town if quick enough was removed.

May 2 Update ("4_20_WildWest_Patch_5")

 * The audio for the Act 2 finale was changed again.
 * Hootenanny Barn is now available only from May 3rd at 8am GMT, Act 2 start, till May 17 at 8am GMT, Act 3 start, instead of being available till the event ends.
 * Old mine is now available from May 3rd at 8am GMT, Act 2 start, till June 1st at 0.58am GMT, event end, instead of being available till Act 3 starts.
 * Fixed a possible bug in unlocking Moe's Tavern as a bandit hideout.