WhatsApp is working on a feature that will allow you to Share topics chosen for the conversation with other participantsbeyond personal customization.
WhatsApp continues to develop options to customize the appearance of conversations on iPhone. With the introduction of new topic categories, the app is preparing to share these settings among chat participants.
WhatsApp topics shared between two users and in groups
The indiscretion comes from the beta version of WhatsApp for iOS 26.37.10.16, distributed through TestFlight. The new feature will allow you to choose whether to keep the theme visible only on your device, or Sync with others in the conversation.
By syncing, recipients will see the same background, theme style, and message bubble color. Changes will be applied directly to other users’ chatsno manual intervention is required. WhatsApp should also display a system message indicating who changed the theme.
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The same logic should apply to group conversations. Who decides the theme You can choose to apply it to all participantsso that each member’s chat appears with the same background and color. However, the recipient can then change the appearance of the conversation to their liking.
This feature should not be limited to preset themes. WhatsApp is actually preparing Also synchronize customized wallpapers Choose the corresponding bubble color from the photo gallery. The option to share topics should appear directly in the chat customization settings.
Depending on the development version, Syncs will be protected by end-to-end encryption. Therefore, WhatsApp should not display user-selected themes or images, including personal wallpapers from the gallery.
The feature is still under development and not available even to beta testers. WhatsApp has not yet announced a date for public distribution, so it’s possible that theme sync will be implemented in one of the next iOS updates.