The new app design will still be necessary if that were to become a feature, so this is a halfway step either way.
One thing this lets people do is utilize burner numbers without a physical phone tied to it. They can use their provider's web-based UI to receive text messages for the signal confirmation, but can then use the app solely from a desktop.
This also paves the way for an official command-line client, library or SDK that could be used for automation.