The follow button when not clicked.
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About
The Game Update Notification feature is in beta testing and only will be available for beta users. (If this is released, never mind.) Since of Sept 4, 2018. some users were able to beta test this feature. (if I am correct)
Everything you should know.
When the player is following a game and the game update notification was sent, it will appear on the Notification Slidebar. It will explain what was added and a Play button for the player to check the update out.
The follow button currently on. Instead of saying Follow, it says Following instead.