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Windows 10's next major feature update is currently in development. Now called the Windows 10 May 2020 Update, and codenamed '20H1', this upcoming release is currently in testing with Insiders, and is expected to ship sometime in the spring of 2020. This update focuses primarily on under the hood platform work to improve OS stability and performance.

We've had several Insider Preview builds of 20H1 now, so it's time to start keeping track of all the notable new changes found in these builds. We'll update this post periodically with new notable changes once they are made available for testing.

Windows Shell

  • File Explorer has a new search UI and is now powered by a new "Windows Search" system.
  • The touch keyboard now features 39 additional languages powered by SwiftKey technologies.
  • Input Method Editor (IME) has improvements for Japanese as well as Simplified and Traditional Chinese.
  • Dictation now supports 12 additional languages.
  • The Wi-Fi list has been updated with a tweaked UI and better iconography.
  • Windows Ink Workspace is now smaller and provides direct access to Microsoft Whiteboard and Snip & Sketch.
  • A brand new Cortana experience is present that features a new conversational UI, light and dark mode, and more.
  • Virtual Desktops can now be renamed and are saved across reboots.
  • New notification options are present and allow the user to control what apps can pop notifications, hide the content of notifications, and more.
  • Users can now add events to their calendar directly from the time and date flyout on the taskbar.
  • Convertible laptops now have an improved touch experience when in desktop mode that makes buttons larger on the taskbar and in File Explorer.
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  • You can now make your device "passwordless" which removes the traditional password option from the login screen and instead relies entirely on Windows Hello methods of authentication.
  • A new overview section for the Languages area in Settings lets you quickly know which languages are selected as default for their Windows display, Apps & websites, Regional format, Keyboard, and Speech.
  • A new cloud download option will let users recover and reinstall Windows without an ISO or physical media on hand.
  • The optional features area has been updated with a new UI that features multiselect, search, and more.
  • Mouse cursor speed settings are now available within the modern Settings app.
  • A new network status page is present with an updated UI and more options.
  • Cloud Download is now a recovery option when factory resetting your device.


  • Disk type is now visible within Task Manager.
  • Settings has a new account header along the top on the homepage.
  • There are now new download throttling options for Windows Update in Settings.
  • The languages area in Settings has been redesigned to easier see the current state of language settings at a glance.
  • Magnifier has an updated UI.
  • Snip & Sketch now supports single-window mode, zoom, and improved WIN+Shift+S discoverability.
  • Task Manager now shows GPU temperature when a dedicated GPU is present.
  • Notepad is now a Microsoft Store app that is updated independantly from the OS.
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Accessibility Improvements

  • Narrator is now more efficient when reading tables. Header information is not repeated when navigating within the same row or column. Entering and exiting tables is also less verbose.
  • There's a new command in Narrator to give a webpage summary that gives information about hyperlinks, landmarks, and headings.
  • Windows Magnifier has a new ability to keep the text cursor in the center of the screen making it easier and smoother to type.
  • Narrator can now tell you the title of the page that is being linked to by pressing Caps + Ctrl + D.
  • Eye Control has received improvements, including new drag & drop, pause, and settings changes.
  • Narrator will now automatically start reading webpages and emails.
  • The Magnifier UI now works with dark theme and text sizing options.
  • Narrator now provides a more efficient reading experience when reading messages in Outlook or Windows Mail.
  • Narrator's Outlook folder reading has been enhanced for an optimal triaging experience.
  • You can now customize the text cursor indicator with different colors and sizes in the Settings app.

Miscellaneous changes

  • Windows Subsystem for Linux 2 is now present and supports ELF64 Linux binaries, faster file system performance, and full system call compatibility.
  • You'll now be able to connect to your WSL 2 Linux networking applications using localhost.
  • Microsoft has updated the Microsoft Account sync engine.
  • A new profile picture sync system is present that now updates your profile picture across devices and Microsoft services more quickly.
  • Installing MSIX apps from outside the Store no longer requires the sideloading apps option to be enabled.

Updated September 6, 2019: We updated this changelog with the latest changes found in preview build 18970.

Catch up on all the changes from the previous Windows 10 updates

Seeing a feature that isn't listed here? Perhaps it was added in a previous Windows 10 update. Check out our changelogs for those below!

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