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Apple
iOS 11.2 - 02 December 2017
iOS 11.2 changed a number of emojis, most notably reverting the Tumbler Glass to a previous design.
Metallic objects gained a more reflective appearance in this release, among other minor changes. The same emoji changes apply to tvOS 11.2, watchOS 4.2, and macOS 10.13.2. Read more.