Late last week, an update to Google's Phone app began rolling out with no immediately obvious changes to the experience. While users don't have anything to play with quite yet, there are several interesting hints about what is to come in future releases. Hidden among the app's resources are signs of support for Android O's new Notification Channels feature, in-call picture messaging, post-call messaging, hidden menu codes for Motorola phones, and even some odd images of paws. Yes, seriously.

Official changelog posted

Google posted a changelog for the Phone app's latest update with the addition of emergency location display and "call waiting improvements" making up the majority of the new features.

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