Windows 10 build 21376

Windows 10 build 21376 outs in the Dev Channel

Windows 10 gets a new preview (build 21376) with a new default font family and several other tweaks – here's all you need to know.

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By (@Pureinfotech) , Windows How-To Expert and IT Specialist with 21 years of experience.
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  • Windows 10 build 21376 releases in the Dev Channel with new changes.
  • This previous introduces a new Segoe UI Variable font family.
  • Adds a new Connect app icon, improves the emoji panel and drag-and-drop support.

Microsoft is now rolling out Windows 10 build 21376 for devices enrolled in the Dev Channel of the Windows Insider Program. This is a minor release that only includes a few changes, improvements, and a slew of fixes.

According to the company announcement, build 21376 introduces a new Segoe UI Variable font family with a design that makes it possible to scale the font seamlessly from small to larger display sizes. It also includes legibility and outlines improvements in small sizes. In addition, as part of the font update, Microsoft brings support for the Bamum Unicode range for the Segoe UI Historic font.

This flight also improves the drag-and-drop default cursor design in scenarios like dragging and dropping into Outlook.

Segoe UI Variable font
Segoe UI Variable font (source: Microsoft)

Furthermore, Windows 10 build 21376 ships with a new modern icon for the Connect app to align with the recent iconography improvements. And the emoji panel includes tweaks to improve the sorting of symbols.

Build 21376 known issues

Microsoft is also warning about several known issues:

  • The Windows Camera App currently does not respect the default brightness setting set via the new Camera Settings page.
  • Elements of Search are no longer display correctly when using the dark theme.
  • Updating to this build, some devices may show a warning in the tray indicating your version of Windows 10 has reached the end of service.
  • The news and interests taskbar widget flyout may flash in the top left corner of your screen after clicking the button on your taskbar.

Download build 21376

The build 21376 preview is available immediately through the Dev Channel, and it will install automatically. However, you can always get it manually from Settings > Update & security > Windows Update and clicking the Check for updates button.

You can learn more about all the changes available in the current development process of Windows 10 in this guide.

About the author
Avatar for Mauro Huculak

Mauro Huculak is a Windows How-To Expert and founder of (est. 2010). With over 21 years as a technology writer and IT Specialist, Mauro specializes in Windows, software, and cross-platform systems such as Linux, Android, and macOS.

Certifications: Microsoft Certified Solutions Associate (MCSA), Cisco Certified Network Professional (CCNP), VMware Certified Professional (VCP), and CompTIA A+ and Network+.

Mauro is a recognized Microsoft MVP and has also been a long-time contributor to Windows Central.

You can follow him on YouTube, Threads, BlueSky, X (Twitter), LinkedIn and About.me. Email him at [email protected].