Microsoft is releasing Windows 10 build 18305 with a number of major features and improvements for the Start menu, Windows Security, Task Manager, File Explorer, and the Settings app.
Start menu
This now has a new single-column layout with reduced top-level tiles.

Windows 10 is developed as a service, and regularly receives patches and bug fixes. It also gets feature updates at least twice a year, and 2018 is no different. This October, Microsoft unveiled the October 2018 update, also known as Redstone 5, which comes with some amazing new features.