Whatsapp recently increased number of participants from 8 to 32 that could take part in a group call and now messaging platform has been increasing to 512. If we add 512 people in a group we can mute everyone. This feature of adding 512 people in a group has now started in Android, iOS and desktop users.For iOS users whatsapp running will be 22.214.171.124 while iOS users whatsapp running will be 126.96.36.199 and later will be available to receive the update. You have to wait for 24 hours to get it. In the official rollout of group option of whatsapp the company will work on the ability of getting backup from google drive in android version. WaBeta version feature is tested on android version the backup will include full chat history not only messages but images,videos and other media files too.