Fallout Shelter patch 1.9

Fallout Shelter patch 1.9 was released on November 17, 2016 for Android, iOS, and PC versions of Fallout Shelter.

Changelog

 * New Location for Quests - Cave: In addition to abandoned buildings and derelict Vaults, Overseers can send Dwellers on spelunking adventures in a brand-new backdrop that will be immediately familiar to Fallout 4 fans – dark, mysterious caves.
 * New Quests: Update 1.9 introduces even more Quests for the demanding Overseer, including new regular, weekly, and special event Holiday Quests during the Thanksgiving celebration.
 * Holiday Festivities: The holiday celebrations continue in the Vault! In November, the Fallout Shelter Thanksgiving event will unlock limited time Quests, specially themed room visuals, and Thanksgiving outfits available in Lunchboxes. In December, Overseers will also celebrate Christmas and New Year’s with additional limited time quests and special rewards.
 * New iMessage Stickers: Building on the popularity of the Halloween stickers, Update 1.9 will introduce special Thanksgiving-themed stickers for iOS 10 iMessage users. In addition, new stickers based on the Fallout 4 Nuka-World mascots, Bottle and Cappy, are available now.