Being the global king of messaging applications means that when new features are implemented, they can appease or irritate large portions of the user base. The application received end-to-end encryption some time ago and I personally use two-step verification for increased security when switching between devices - which I tend to do on a regular basis.
But now, according to WABetaInfo, we could still see new layers of protection thanks to fingerprint authentication of the latest beta 2.19.3. The operation of this solution has also been highlighted, with fingerprint registration appearing in the Privacy section of the application.
From there, you can add a PIN or password to also secure WhatsApp or, as we mentioned, register your fingerprint for locking and unlocking the application. Anyone using a device with Android Marshmallow or later will be able to do so as long as their device supports unlocking fingerprints. Anyone with older devices will be able to add an authentication code instead.
There are very few words about when this feature will be introduced to the general public, as is technically in Alpha. Even if we think that could lead to devices in the not too distant future. Anyway, it's a much more popular addition than sticker packs and Gif support.
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