WhatsApp may launch a new feature in which anyone could be able to delete,edit messages sent through WhatsApp messenger app.
This new update was discovered by WABetaInfo Twitter channel a early source of WhatsApp news and leaks,they have seen this feature in WhatsApp 18.104.22.1689 beta version for IOS .
Here is a link to a video which shows how this feature will work-
Check out @WABetaInfo’s Tweet: https://twitter.com/WABetaInfo/status/809150861268152321?s=09
This video shows how we can revoke messages with blue tick also.It works by tapping on the message which brings up a list of options including revoke.
This photo from WABetaInfo shows where you can find the option to edit the message.
Though this speculation pertains to the iOS build, it’s highly likely that these features will also roll out to Android soon.