In iOS 17 and iPadOS 17, Apple has introduced Messages-like reactions to FaceTime that lighten up your video with visual effects. But rather than triggering them with words, you can trigger them using physical hand gestures.

When you're on a ‌FaceTime‌ video call on an iPhone running ‌iOS 17‌ or an iPad running ‌iPadOS 17‌, you can now trigger on-screen effects like hearts, balloons, confetti, fireworks, and more, with the effects flooding the display over the ‌‌FaceTime‌‌ window.

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All the Gestures to Trigger Reaction Effects in FaceTime
https://www.macrumors.com/how-to/use-...