Currently you can only choose a wallpaper for all conversations including group conversations. In addition, the app works so that users can choose a wallpaper option in light mode and another for dark mode that are currently working. The idea of customization is what Mark Zuckerberg's company pursues in all the improvements or updates that are made to the application, in addition to monitoring the functionalities that other alternatives to WhatsApp have, such as Threema , a messaging ...