Windows 10 Insider Preview 21382.1 (co_release) 210511-1416

Good Morning, friends! Microsoft has released a new Windows 10 pre-build number 21382 for Windows Insider program members using the Dev channel.

Check the previous version

Full build number: Windows 10 Insider Preview 21382.1 (co_release) 210511-1416

Windows 10 Insider Preview 21382.1 co release 210511 1416
Windows 10 Insider Preview 21382.1 co release 210511 1416

Recently, the branch name changed to CO_RELEASE. As in October, when insiders started getting builds from the FE_RELEASE branch, the company is practicing the ability to change the branch that is considered an active development branch. Since engineers work in different branches within the development cycle, it may be necessary to move insiders between these branches. The company treats these builds in the same way as the builds from the RS_PRERELEASE branch.

We remind you that the Dev channel releases a build that can contain quite unpleasant errors. If you need more stability, we recommend switching to the Beta or Release Preview channels.


Support for HDR in apps with color management capabilities

  • HDR mode transforms the performance of other arts and crafts applications using color profiles of the International Color Consortium (ICC). We are talking about applications such as Adobe Photoshop, Adobe Lightroom Classic, and CorelDRAW. In the past, these applications were limited to the sRGB color gamut.
  • Microsoft has added a new feature that allows these apps to display accurate colors and access the entire color gamut of your HDR display. To enable this feature, close the application, right-click on its shortcut, select “Properties” – > “Compatibility” and in the “Settings” section, check the box next to “Use an outdated ICC color management profile”. This option is only valid in HDR mode.
hdr shim ui
hdr shim ui

Changes and improvements

  • As some insiders have noticed, the” Device Manager ” can view drivers along with devices. Views such as Devices by Driver, Drivers by Type, and Drivers by Device allow users to view, install, and remove drivers. In turn, the new “Add Drivers” button allows users to add and install new drivers for all applicable devices. Managing drivers directly is in many cases a more intuitive action than working with them through the devices on which they are installed. The company hopes that developers and experienced users will appreciate this change. It is worth noting that this change was added back in build 21343.
  • The Start menu will now automatically open so that people can find the apps they need faster after completing a clean install or system update.
  • The new folder icon in File Explorer will now display when there is content in the folder.
  • Touch Keyboard now uses the Segoe UI flexible font. There are also some changes to the icons.
segoe variable
segoe variable

Bug Fixes

  • Fixed an issue that occurred in the previous build, which caused a warning in the notification area to appear on some devices after the update, stating that support for the installed version of Windows 10 is complete.
  • Fixed an issue that affected the stability of the operation explorer.exe.
  • Fixed an issue that could cause multiple processes to hang. SearchProtocolHost.exe.
  • Fixed a memory leak that could cause DWM to use an unexpectedly large amount of memory over time.
  • Fixed an issue where some pop-up notifications would not appear on the screen.
  • Fixed an issue that caused audio playback to delay on ARM64 devices.
  • Fixed an issue where the new unified end audio stream was not displayed on ARM64 devices.
  • Fixed an issue that could cause some games to launch and display a black screen in previous builds.
  • Fixed an issue where opening the menu with the Win + X keyboard shortcut and selecting the “System” item would open the “Settings” app without going to the “About” page.
  • Fixed an issue where some devices were displayed twice on the Printers and Scanners page in Settings.
  • Fixed an issue that could cause Windows Update to crash with error 0x80070003.
  • Fixed an issue where pixelation could occur if a large colored mouse pointer is selected.
  • Fixed an issue where the cursive style for hidden subtitles was not displayed on the Hidden Subtitles page in Settings.
  • Fixed an issue where a Japanese touch keyboard with a 50-key or 12-key layout could display broken word candidates.
  • Fixed an issue where incorrect spacing was used when entering parentheses when using voice text input.
  • Fixed an issue where the handwriting panel would not capture text after pressing the Enter key when typing in Chinese.

Known issues

  • The Camera app currently does not take into account the default brightness setting set on the new page in Settings.
  • We are investigating a problem that causes Windows Search elements (including the search field in the “Explorer”) to display incorrectly in a dark theme.
  • [News and Interests] We are investigating an issue where a pop-up window may blink in the upper-left corner of the screen after clicking on a button on the taskbar.
  • During the update process and on the welcome screens displayed when you first login after the update, you may suddenly see text written in Times New Roman font.

I wish you a successful update!

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