About sticker suggestions
If you have downloaded sticker packs or have favorited any stickers, you might see an icon change from to as you start typing in the composer.
This icon change means that one or more of your stickers matches what you typed in the composer. For quick access to those matching stickers, click the sticker suggestions icon.
- WhatsApp cannot read the content of your messages which are end to end encrypted.
- WhatsApp doesn't know what stickers are suggested to you as the sticker search process takes place entirely on your device.