Here are new icons from new Windows 10 build 10036.
There are 83 new icons in the latest Windows 10 build 10036. Microsoft continues to replace older icons to make them look less shinier and more flat.
These icons are extracted from actual Windows 10 system files. Many people do not like these icons, but if you are interested in having them in ICO format, you can download them here:
That's it. Credits go to @BAV0.