The feature was introduced in WhatsApps recent updates between version 2.18.106 and 2.18.110, says the report.
While testing the feature, WABetaInfo found that they were able to recover files deleted two months ago.
So, how does the new feature works?
Firstly, ensure that you are running the latest WhatsApp version 2.18.113 on Android.
To confirm this, go to the apps parameters to check for the version.
If not, update the app to the latest version to receive the new feature.
Once it is found, just tap on the deleted media files to download.
source: www.techworm.net