Microsoft releases Windows 10 20H1 Build 18917

Microsoft releases Windows 10 20H1 Build 18917

Microsoft have released a new Windows 20H1 build for Windows Insiders on the fast ring. The new build is 18917 and has a couple of changes to the OS.

The Delivery Optimization screen now gives you extra options for controlling bandwidth for downloads. The settings are in Update & Security/Delivery Optimization/Advanced Options.

Other changes include data table reading improvements for narrator:

Data Table Reading Improvements: We’ve optimized the information you hear with Narrator when navigating a table using table navigation commands. Narrator now reads the header data first, followed by the cell data, followed by the row/column position for that cell. Additionally, Narrator only reads the headers when the headers have changed, so you can focus on the content of the cell.

In this build there is the Windows Subsystem for Linux 2:

WSL 2 is a new version of the architecture that powers the Windows Subsystem for Linux to run ELF64 Linux binaries on Windows. This new architecture, which uses a real Linux kernel, changes how these Linux binaries interact with Windows and your computer’s hardware, but still provides the same user experience as in WSL 1 (the current widely available version). WSL 2 delivers a much faster file system performance and full system call compatibility, which lets you run more applications like Docker!

Windows Ink Workspace Updates has been updated with a new look:

Here are the other changes and known issues. Lookout for my hands on video soon.

General changes, improvements, and fixes for PC

  • We fixed an issue where some users experienced a 0x8007000E error code while downloading the build due to high RAM consumption.
  • We fixed an issue where users couldn’t use the desktop Features on Demand “add a feature” option.
  • We fixed an issue where dragging the emoji and dictation panels was unexpectedly laggy.
  • We’re in the process of rolling out a change in this build to address an issue where if the taskbar was set to autohide, launching the Start menu would first hide the taskbar before bringing up the Start menu.
  • We fixed an issue resulting in the Start menu and taskbar going 100% transparent on secondary monitors or after projection.
  • We’ve updated the new File Explorer search experience to now be dark when used in dark theme. Note – this experience is still in the process of rolling out. Thanks everyone who’s tried it so far and shared feedback, we’ll let you know when the rollout expands.
  • We fixed an issue where Windows Security would crash if launched from Settings when using an Arabic display language.
  • We fixed an issue where the audio service might hang on shutdown if spatial audio was turned on.

Known Issues

  • This update might fail the first time you try to download it with a 0xc0000409 error code.
  • For Home editions, some devices might not see the “update installed” on the update history page.
  • For Home editions, some devices might not be able to see the “download progress %” change on the Windows Update page.
  • There has been an issue with older versions of anti-cheat software used with games where after updating to the latest 19H1 Insider Preview builds may cause PCs to experience crashes. We are working with partners on getting their software updated with a fix, and most games have released patches to prevent PCs from experiencing this issue. To minimize the chance of running into this issue, please make sure you are running the latest version of your games before attempting to update the operating system. We are also working with anti-cheat and game developers to resolve similar issues that may arise with the 20H1 Insider Preview builds and will work to minimize the likelihood of these issues in the future.
  • Some Realtek SD card readers are not functioning properly. We are investigating the issue.
  • Tamper Protection may be turned off in Windows Security after updating to this build. You can turn it back on.
  • We are aware of an issue with the Bopomofo IME where the character width is suddenly changed to Full width from Half width and are investigating.
  • We’re investigating an issue where some users are reporting that File Explorer search is rendering in an unexpectedly small area and clicking it results in a crash.

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