Smooth functionality is always going to be the primary concern for company with a stake in technology of Facebook's magnitude. Indeed, when Messenger first broke away into a standalone entity across the major mobile operating systems, it was afflicted with quite a few teething issues. With the app now largely performing as one would expect given the size of the user base, Material Design looks set to add the gloss.
If you're expecting a completely overhauled design, you'll probably be disappointed. Through screenshots leaked via Reddit, it looks like a future update would instead bring minor, understated but nonetheless noteworthy tweaks. Check out the screenies below for an idea:
The action button, as you can see, hovers within thumb's reach, making it an easy main point of interaction. For crusaders of both looks and streamlined usability, it's a step in the right direction.
It's just been pushed out as a server-side update for select users, and everything going to plan, it shouldn't be too long before the new changes trickle out via the Play Store.
Are you liking the slated changes to Facebook Messenger? Let us know your take via the comments!