It is not clear at this time when this feature will be available to regular users, and on the other hand, WhatsApp may eventually abandon it. It should be noted that this feature is not yet enabled in beta versions, but the relevant code can be seen. So it is in the early stages of development, and given WhatsApp's history, it will probably take weeks or even months to review.
Meta (formerly Facebook) has been paying close attention to WhatsApp in recent months. For example, some time ago it was possible to transfer chats from iPhone to Android, and backup versions of chats now use universal encryption. WhatsApp engineers are also working on improving the image-to-image capability and the ability to stop recording audio.
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