attach an emoji to them), similar to iMessage or Instagram.
According toWABetaInfo, the latest Android beta for WhatsApp has a secret: message reactions!
Or at least it has the implication of message reactions, anyway.

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The latest beta doesn’t actually have functioning reactions in it yet.
Instead, it provides users with a message telling them they need to update for view reactions.
WhatsApp could provide a small assortment of reactions to choose from, similar to Facebook.

It could do something a simple as a single “Like” button.
For now, we can only guess.
Availability is also uncertain for the moment.