According to Windows Latest, a provider for Microsoft related news, have stated that UI improvements could first come to the Windows 10 Start Menu and Action Centre. Based on the Microsoft Program Database (PDB) files in Windows 10 Build 20197, it is mentioned that Microsoft is now internally testing features for WinUIOnDesktop, WinUIDesktopActionCenter, and WinUIDesktopStartMenu. Microsoft is looking to bring in controls that are most commonly used by its users, while at the same time bringing consistency to its operating system. Should these updates be released soon, users will then notice Windows 10 having rounded windows, a selection of new buttons, and UI components added into its system.
While Microsoft has yet to make an official statement regarding the release of these updates, Windows users may want to take note of the UI changes that might make its way to all Windows 10 platform soon. (Source: Windows Latest)