WhatsApp is rolling out a view once mode for voice notes to some iOS and Android users in beta, after launching the feature for photos and videos in August 2021 (WABetaInfo)

WABetaInfo:

WhatsApp is rolling out a view once mode for voice notes to some iOS and Android users in beta, after launching the feature for photos and videos in August 2021  —  WhatsApp is introducing a new feature to allow users to share voice notes with view once mode enabled for added privacy.