Start Screen Greeting Now on Office Desktop Apps?

Yes, i've seen that on my colleague's PC (new start screen). I guess this is part of the big ribbon redesign process, but the whole process seems like a mess. I don't have such start screen yet, but for 2-3 weeks i already have new icons in Outlook, Excel, Word. But only new tabs animation in Access, no new icons. My colleagues had only updated look in Outlook for a few weeks and only now start getting updated icons in other apps. People on the blog post report that Office Insiders also do not get consistent update experience (not seeing coming soon toggle which was promised to try out new look before it goes to regular users, etc.).