Microsoft’s job listing confirms the upcoming Windows 10 redesign

Job postings on the Microsoft website are often reveal company's plans. This time, the job listing hints at Sun Valley UI overhaul for Windows 10.


That Microsoft is working to improve the look and feel of Windows 10 is no longer a secret. The project is known as Sun Valley. It's already partially launched, and some Windows 10 apps have already started getting an updated user interface. The company planned to enable these changes in Windows 10X, and then bring those changes to "regular" Windows 10.

The job listing for a senior software engineer (modified by Microsoft since then), was noting the following goal:

...deliver a sweeping visual rejuvenation of Windows experiences to signal to our customers that Windows is BACK and ensure that Windows is considered the best user OS experience for customers.

Original Job Offer Windows Is Back

The original job offer text, captured by Zac Bowden:

The text has been edited, and the above text was removed to hide mention of any significant UI work.

Microsoft is planning a big Windows 10 update in the second half of 2021 that will introduce new top-level features and a new user interface which is more modern and consistent. There will be a focus on wider adoption of WinUI in the Windows Shell and native applications, an updated taskbar built with modern code and an improved user interface for the old File Explorer.

The user interface changes are known as 'Sun Valley'. Also, see

Microsoft will still issue two feature updates in 2021 as per the biannual update scheme. Windows 10 21H1 for desktop is expected to be build 19043.

However, the significance of the updates will be reversed. The Spring update, version 21H1, will be a smaller service pack-like update, similar to what we have already seen in Windows 10 20H2 and 1909. The bigger one with more notable changes, 21H2, will come in the second half of 2021. See

What’s coming to Windows 10 in 2021




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