According to TheStar.com, the feature was spotted in alpha mode for WhatsApp for Android (version 2.19.3). The article also states that the feature will be available first for devices running on Android 6.0.1 (Marshmallow) or later, before it’s rolled out to the iOS platform.
However, this new feature might take months before being officially launched for all Android users. According to the article, the fingerprint lock will be a blanket lock on the entire WhatsApp app, and not for specific chats or contacts within the app.
WhatsApp users will need to register their fingerprint on their device to use the feature, or if their fingerprint scanner is broken, they could use other device credentials – such as a PIN code – to lock the app, the article adds.
There is also a report that WhatsApp will be intergrating face ID as well as Touch ID to its iOS version since the newest iPhone models (from iPhone X and later) don’t support fingerprint authentication.
It stated that the feature is still in development and will not be available to iOS users anytime.
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