Microsoft continues their work on updating icons for built-in Windows 10 apps. Feedback Hub along with Microsoft Whiteboard now join the set of new icons, following the modern Fluent Design.
Here are all the new icons which are known at the moment of this writing.
Microsoft Photos app
The app has received a new colorful icon, will be available for both Core and Desktop editions of Windows 10.
Movies & TV
Snip & Sketch
Microsoft Planner has received a new icon, following the designs of icons for PowerPoint, OneNote, Calendar for Android, Teams, and Yammer.
MS Office icons
Mail and Calendar apps for Android
The next screenshot demonstrate the new Start Menu layout with a few new icons.
It is not know yet when the new icons will reach the production branch. They are expected to appear for Insiders in the future.
Source: Aggiornamenti Lumia.