If talking about change WABetaInfo The report states that WhatsApp has removed 3 Touch shortcuts, which means that this profile will no longer be saved using this shortcut. WhatsApp is also checking the PIN alert for download problems. This warning will appear at the top of the chat, prompting you to update the application.
WhatsApp Quick Media Edit feature
The Quick Media Edit feature is being tested for both iOS and Android platforms. This feature has been enabled in WhatsApp’s latest iOS beta. Quick edit media shortcuts allow you to edit individual chats or media files sent or received in a group.
WhatsApp multi-platform system
The report further states that WhatsApp is also working on multi-platform systems, which will allow users to run the same account on two devices at the same time. This means that after a stable update, users will be able to run a WhatsApp account on two devices simultaneously on their iPhone. The UWP app allows users to run WhatsApp on a computer even if the phone does not have an internet connection.
Work is currently underway on the new system and it is not yet known when its stable update will be released. It is said that with the new system, WhatsApp will also improve its end-to-end encryption.