Only tested on beta channel, WhatsApp has finally released your new interface for the web client. This new feature was confirmed by various users during the second day.
As explained by WABetaInfo staff, a main direction is at sidebarwhich has modern and atalhos icons for all as message areas.
With this, it's easier to access conversations, Status, Canais and Comunidades. On the other hand, the user will also use tools for archive and messages with the image.
As a result, the message became easier to use, once the user did not precisely save submenus to access saved conversations, for example.
On the other hand, the general design of the web client is more related to the WhatsApp theme presented in your versions for Windows and Mac.
For now, the change update is available in a slow and gradual manner over several months. This means you can remember a little more to get access to the best thing on your PC.