APPLE INSIDER
WhatsApp Web and WhatsApp Desktop are getting a significant security boost as developers roll out support for biometric authentication when syncing messages.

Today we’re starting to roll out a new security feature for WhatsApp Web and Desktop: face and fingerprint unlock when linking devices.
WhatsApp does not see your face or fingerprint data.
Chats for your onlyhttps://t.co/qR3zsexzfj pic.twitter.com/Ei5G35MPpA
— WhatsApp (@WhatsApp) January 28, 2021
Source: APPLE INSIDER