Microsoft is releasing a new preview of Windows 10 that reserves about 7 GB of disk space for updates, applications, and so on, to ensure that the critical functions of the operating system still have the same features. ;space.

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Microsoft today released a new preview of Windows 10 with improvements in disk space management, this PC's reboot, and the Windows Subsystem for Linux (WSL). The update forces Windows 10 from version 18309 (made available to testers on January 3) to version 18312. These versions come from branch 19H1, which represents the Windows 10 update that will arrive during the first semester of this year.

Windows 10 is developed as a service, which means that it regularly receives new features. Until now, Microsoft has released six major updates: November update, birthday update, creators update, fall creators update, update to day of April 2018 and update of October 2018.

The seventh update will change how Windows 10 handles disk space. Part of the disk space (approximately 7 GB) will be reserved as "reserved storage" for updates, applications, temporary files and system caches. According to Microsoft, the goal is to ensure that the critical functions of the operating system always have access to disk space. Reserved storage will only be automatically introduced on computers shipped with 19H1 preinstalled or on computers on which 19H1 has been installed properly. You can try reserved storage on this version by running this quest.

Then, Microsoft added a new user interface for "Reset this PC" (Settings => Update and Security => Recovery). The new user interface requires fewer clicks and is more consistent on devices with different configurations.

This release also adds new command-line options to the WSL command-line tool (wsl.exe). Among the changes (release notes), you can expect consolidated command-line options; the ability to import a distribution to facilitate lateral loading, including on non-system drives; and the ability to export your WSL distribution for easier management of the environment.

Finally, this version increases the allocation ceiling for FLS (Fiber Local Storage) slots per process. This is useful for musicians who reach the FSL limit, which prevents them from loading many plug-ins into their DAWs. This change will also have a positive impact on any application that dynamically loads hundreds or thousands of unique DLLs with statically linked Visual C ++ executions.

Bug fixes and known issues

This 19H1 release includes the following general bug fixes and enhancements:

  • Issue resolved: The network share page in the File Explorer used black text in a dark theme.
  • Fixed a problem affecting the reliability of Microsoft Edge in the latest versions.
  • Issue resolved: USB printers could appear twice in Devices and Printers under Control Panel.
  • Issue resolved: The console was losing color when generating a new command prompt.
  • As an extension of our previous work in this version to make the console scroll bar dark when the dark theme is enabled, the title bar also disappears (if you have not chosen to use the color of the accent in the title bar in the settings).
  • Adding a group policy to disable acrylic on the login screen. You can find it in the Group Policy Editor under Administrative Templates> System> Connection> "Show Clear Connection Background".
  • Issue resolved: Custom desktop / lock screen images deployed by a runtime provisioning package were removed after Windows Update.
  • Fixed a problem that allowed the shadow behind a flyout to zoom after it appeared.
  • Issue resolved: If not, the Windows boot sound may not be played after turning off or after updating.
  • Issue resolved: The File Properties dialog box did not display the full timestamp if the "Conversational Format" option was selected for the Edit Date column in the File Explorer. .
  • Issue resolved: Hyperlink colors had to be refined in dark mode in Sticky Notes if Insights was enabled.
  • If Sticky Notes was stuck when loading with Build 18309, make sure that Microsoft Store contains Sticky Notes version 3.5.4.
  • This version has 16 known issues:

  • The Windows Security application may display an unknown status for the Virus and Threat Protection Zone or may not refresh properly. This can occur after an upgrade, reboot, or parameter changes.
  • Launching games using anti-cheat software may trigger a bug check (GSOD).
  • By clicking on your account in Cortana, permissions do not allow the user interface to log out of Cortana (if you are already logged in) for some users of that version.
  • Creative X-Fi sound cards do not work properly.
  • When attempting to update this build, some S-mode devices will be downloaded and restarted, but the update will fail.
  • The nightlight feature is affected by a bug in this version.
  • When you open the Action Center, the Quick Actions section may be missing.
  • Clicking the network button on the login screen does not work.
  • Some texts of the Windows security application may not be correct or be missing. This can impact the ability to use certain features, such as protection history filtering.
  • The update of Windows features may fail but present itself as a successful update in the Windows Update history page. If this happens, you will see more than one successful installation for the same update in the history page.
  • Users may see a warning that their USB flash drive is in use when they try to eject it with the help of the File Explorer. To avoid this warning, close all open File Explorer windows and eject the USB media using the System Tray by clicking "Safely Remove Hardware and Eject". support & # 39 ;, then selecting the drive to eject.
  • When you perform a reset of this PC and select Keep my files on a device that has reserved storage enabled, the user will need to initiate an additional restart to ensure that reserved storage is working properly again. .
  • There is a problem with a small number of Microsoft Intune users who may not receive policies. These policies are not enforced and remain in the "pending" state on the server. The solution is to go to Settings / Accounts / Access Work or School and "log out" your Azure AD account and re-register.
  • Windows Sandbox does not load on PCs with multiple GPUs.
  • In some cases, launching Centennial applications will cause a bindflt.sys (GSOD) anomaly.
  • If you install one of the recent versions of the fast ring and switch to the slow ring, the optional content such as developer mode activation will fail. You will need to stay in the Quick Ring to add / install / activate optional content. Indeed, the optional content installs only on approved versions for specific rings.
  • As always, do not install this on your production machine.