Quote Originally Posted by Microsoft
What’s new in Build 20161

Theme-aware tiles in Start

ALT + TAB between apps and sites

A more personalized Taskbar for new users

Improving the notification experience

Making Settings even better

Improving the tablet experience for 2-in-1 devices

Other updates for Insiders

Windows Calculator graphing mode feature now rolling out to the public

Updates for developers
Announcing Windows 10 Insider Preview Build 20161 | Windows Experience Blog
Quote Originally Posted by The Verge
Microsoft is improving its OneDrive upload limit and sharing integration with Microsoft Teams for businesses and finally bringing a dark mode to the web version. The software giant is increasing the upload file size limit from 15GB to 100GB for all OneDrive and SharePoint users today. It’s a useful addition for business users of OneDrive who have been restricted to 15GB files, making it difficult to sync some large file types like CAD or video files.
OneDrive is getting a new dark mode and 100GB file upload limit for businesses - The Verge