WhatsApp’s latest iPhone beta release suggests that it is working on several improvements for iOS users. The social messaging giant is reportedly working on improving WhatsApp Payments for specific countries, and is also still working to improve Expiring Messages before the release.WhatsApp’s latest iPhone beta release suggests that it is working on several improvements for iOS users. The social messaging giant is reportedly working on improving WhatsApp Payments for specific countries, and is also still working to improve Expiring Messages before the release.