Now, it will let you edit and delete sent messages as well.
Such as video calls, end to end encryption of messages, text in bold italics, etc.
The novelty was discovered by WABetaInfo in beta messaging system for iOS that brings a revoke button.
The news is present for some users of version 2.17.1.869 of WhatsApp Beta for iOS.
While in Android, the new version has not yet come for beta testers.
