Several features are missing on separate devices, one of which is a self chat window that users can use to send messages for themselves. Such self chat windows are important because of the fact that this is the sort of thing that could potentially end up allowing users to set note things down to remember later, and in light of that WhatsApp is making this feature compatible with various devices.
With all of that having been said and now out of the way, it is important to note that users will now be able to see themselves at the top of the contact list, as spotted by WBI. Tapping on their name will take them to a chat window where they can send messages to themselves. The update here is that any message you send to the self chat window will become immediately visible on WhatsApp applications that you utilize on other devices.
This is a step in the right direction, but WhatsApp would need to add considerably more functionality such as the ability to delete messages on all devices from a single one. Location tracking links should also be shared across all devices, and since WhatsApp is notoriously slow at rolling out updates users might need to wait a long time before they can get additional features for the new self chat window.
The update is currently being data tested, so it is currently unclear when it shall receive a wider rollout. However, its development is fully underway so most users would be able to start using it within a few weeks at most. When it gets rolled out it will likely add a lot of much needed functionality to WhatsApp Web and other apps for multiple devices. Updates like these can help WhatsApp maintain its dominance of the instant messaging industry despite some up and coming competitors like Signal and Telegram.
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