WhatsApp will finally let recipients save disappearing messages before they’re automatically deleted when the timer expires. However, the sender will ultimately have full control over who saves your super-secret disappearing message.
There are several ways to fix the issue of Whatsapp notifications not working. Here, I've mentioned some of the suitable options you can take to fix this
Here s how a new feature will allow user to leave a WhatsApp group secretly - New feature will allow a user to exit a WhatsApp group quietly without other members getting a notification about it, except for the admin.