WhatsApp Develops New Chat Theme Synchronization Feature

Ender Öztürk

September 16, 2026

WhatsApp is actively developing a new chat theme synchronization feature that allows users to share custom visual settings, including wallpapers and message bubble colors, with participants in both individual and group conversations. Currently spotted in the iOS beta version 26.37.10.16, this upcoming functionality enables a shared aesthetic experience across devices. By extending personalization options beyond the local device, the platform aims to provide a unified look for chat participants. While the feature remains in the early stages of development and has not yet reached public beta testers, it represents a significant shift in how users manage their digital communication environment.

Chat Themes are Being Synchronized Across Devices

Recent updates to WhatsApp have introduced diverse categories for chat customization, yet these changes previously remained restricted to the individual user’s device. The newly developed synchronization tool elevates this experience by offering a broader choice. When a user selects a specific theme, they can determine whether the visual update should apply solely to their own interface or be pushed to the other participant’s screen as well. This level of control ensures that customization remains a flexible option rather than a mandatory requirement.

Individual and Group Chats Gain Visual Flexibility

The utility of this feature extends significantly into group dynamics. In environments such as professional work teams or family groups, organizers can now establish a consistent visual identity that applies to all members. When a designated user triggers a theme update, the wallpaper and bubble colors are synchronized across every member’s device, creating a cohesive atmosphere. This update transforms the visual interaction within group chats, making shared spaces feel more intentional and organized.

Custom Backgrounds and Colors are Shareable

The system is not limited to pre-installed themes provided by the application. Users will also have the capability to share custom wallpapers sourced from their own image galleries. Once a background is selected, the application automatically adjusts the message bubble colors to ensure high contrast and visual harmony. By granting users the power to manage their shared digital space, WhatsApp is moving toward a more personalized communication model that balances individual expression with collective aesthetics.

Security and Privacy Standards are Maintained

Despite the collaborative nature of this feature, WhatsApp emphasizes that privacy remains a top priority. All shared theme configurations and custom background files are secured with end-to-end encryption, ensuring that no third party, including the company itself, can access or view the visual content being shared. This ensures that even when users share personal photos as backgrounds, the integrity of their private data is fully preserved throughout the synchronization process.

New Functionality Remains Under Development

At present, the theme synchronization feature is restricted to internal testing on the iOS platform. There is no official timeline for a public release, though it is expected to roll out in future updates. Once active, the interface will display system messages to notify users when a theme has been modified, allowing others to revert or change the settings if they prefer. The community is eagerly awaiting further details on how this will impact the overall user experience.

How do you feel about the ability to synchronize chat themes with your contacts? Do you believe having a shared aesthetic for group chats will improve your interactions, or do you prefer keeping your interface settings entirely private? Share your thoughts and expectations in the comments section below.