Microsoft Build 2021, a Microsoft developer event, started on May 25 (local time). At this event, Satya Nadella CEOQ gave a keynote speech and drew attention by expressing the Sun Valley update, which reorganizes the UI, as the next-generation Windows.
Sun Valley was mentioned at the 18th minute of the keynote speech. There was no specific name for Sun Valley. It did not say whether any changes would be made. CEO Nadella described it as the most important Windows update over the past decade, and explained that he was very excited about the next generation of Windows from his experience in recent months. This update will be serviced soon.
Sun Valley is expected to revamp the entire UI that has not been done in Windows for a long time. It’s clear that Microsoft is putting a lot of effort into it. There is also talk of halting development of Windows 10X, a new operating system that was running in parallel, and allocating resources. Related information can be found here.