WhatsApp users, both iOS and Android users, can enjoy the new features soon. Facebook-owned WhatsApp is planning to bring “biometric authentication access” to its messaging app.
We know that WhatsApp is working on a couple of new features will be a particular help to the users of Apple and Android. WhatsApp beta for Android 2.19.3 is testing on the fingerprint authentication for chats and as well audio message redesign. As of now, there is no precise information regarding when the features are made available to the users.

As per the reports, these features that are under testing is not complicated and are indeed small, and we can expect them to arrive soon.
WABetaInfo officially reported about the latest update provided for Android users and also has the initial plans of introducing Face ID and Touch ID integration features for the users. But it seems to be that they are not under development process. On the brighter side, the company is focusing on the WhatsApp fingerprint authentication for Android users adding a robust protective layer to the chats.
A seamless 30 Audio messages on WhatsApp!
Social media messaging giant, WhatsApp is also testing another feature called “AudioPicker” where a user can send “30 audio messages” to WhatsApp contacts at a go and can check file previews. But it is not looking like it will be released to iOS devices soon due to some development process. As of now, the new audio feature can preview images for audio files and can be heard the audio file before sending the clip to the users.