This content was released on Jul 4 2016. The official support period is 6-months from this date.
Learn how you can build your own custom sticker pack app for Messages, enabling you to fully control the behavior and appearance of the sticker browser.
This is a companion discussion topic for the original entry at https://www.kodeco.com/4969-ios-10-dynamic-sticker-packs-in-imessage-apps