KB5004123 CU Windows 10 Insider Preview Dev Build 21390.2025 - June 14 Insider

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    KB5004123 CU Windows 10 Insider Preview Dev Build 21390.2025 - June 14

    KB5004123 CU Windows 10 Insider Preview Dev Build 21390.2025 - June 14

    Cumulative Update for Dev Channel (Fast ring)
    Category: Insider
    Last Updated: 28 Jun 2021 at 12:24
    UPDATE 6/28: Windows 11 Insider Preview Dev 10.0.22000.51 (co_release) - June 28


    UPDATE 6/14: We are starting to roll out Cumulative Update Build 21390.2025 (KB5004123). This update does not include anything new and is designed to test our servicing pipeline.

    UPDATE 6/10: We are starting to roll out Cumulative Update Build 21390.1010 (KB5004092). This update does not include anything new and is designed to test our servicing pipeline.

    UPDATE 6/7: We are starting to roll out Cumulative Update Build 21390.1000 (KB5004071). This update does not include anything new and is designed to test our servicing pipeline.

    We have been testing our servicing pipeline with Cumulative Updates to the builds released to the Dev Channel. Each week, we would release a new build and then follow up with a Cumulative Update on top of that build before moving to the next build. However, we need to test the process of releasing multiple Cumulative Updates on top of each other on top of the same build. As a result of this, over the course of the next several weeks, our focus will be on releasing multiple Cumulative Updates on top of Build 21390. Having Insiders in the Dev Channel test this will be immensely helpful, and we’ll be back to flighting normally again soon!

    This update DOES NOT include any fixes for the known issues listed below.


    Hello Windows Insiders, today we are releasing Windows 10 Insider Preview Build 21390 to Windows Insiders in the Dev Channel.

    Changes and Improvements

    • As part of our ongoing iconography improvements, Task Manager and MSI installers now have new Fluent icons.

      KB5004123 CU Windows 10 Insider Preview Dev Build 21390.2025 - June 14-task_manager.png KB5004123 CU Windows 10 Insider Preview Dev Build 21390.2025 - June 14-msi.png
    • You can now set Windows Terminal Preview as your default terminal emulator on Windows – please see this blog post for details. This requires Windows Terminal Preview version 1.9 (or higher).

    Fixes

    • We fixed an issue causing the news and interests text on the taskbar to appear blurry on some resolutions and scaling factors.
    • We fixed an issue resulting in certain punctuation not being displayed correctly when the display language was Chinese.
    • We fixed a svchost.exe crash related to cdp.dll that some Insiders have been experiencing in recent builds.
    • We fixed an issue impacting Start reliability in recent flights.
    • We fixed an issue where when using dark mode, the text in the File Explorer search box would be black on a black background. Please note this only addresses this dark theme issue in File Explorer, we are continuing to investigate a second issue impacting dark theme when using Search in the taskbar.
    • We fixed an issue in recent flights where a folder might not retain keyboard focus after being renamed in File Explorer.
    • We fixed an issue resulting in Task Manager showing the incorrect icon for some processes.
    • We fixed a second issue causing some devices to fail when updating to this build with error code 0xc1900101. If you continue to receive this error code when attempting to update, please file a new feedback item.
    • [ADDED 5/27] We have re-enabled the functionality where if a folder under the Start menu’s all apps list only contains a single item, we will now display that item in place of the folder on the Start menu.

    Known issues

    • The Windows Camera App currently does not respect the default brightness setting set via the new Camera Settings page.
    • We’re investigating an issue where Search results are unexpectedly no longer following dark theme as of recent flights.
    • [News and interests] We’re investigating an issue where the flyout may occasionally flash in the top left corner of your screen after clicking the button on your taskbar.

    An update on feedback policies

    In an effort to improve feedback relevance, in the coming weeks we will be implementing a change to only retain and display the last 15 months worth of feedback in the Feedback Hub. This will not impact Achievements, Quests, or Collections. If you have feedback older than the retention period that you would like us consider, please take a moment to create a new feedback item for it. Best practices for creating actionable feedback for the engineering team are available here if needed.

    Important Insider Links

    You can check out our Windows Insider Program documentation here, including a list of all the new features and updates released in builds so far. Are you not seeing any of the features listed for this build? Check your Windows Insider Settings to make sure you’re in the Dev Channel. Submit feedback here to let us know if things weren’t working the way you expected.

    If you want a complete look at what build is in which Insider channel, head over to Flight Hub. Please note, there will be a slight delay between when a build is flighted and when Flight Hub is updated.

    Thanks,
    Amanda & Brandon


    Source: Announcing Windows 10 Insider Preview Build 21390 | Windows Insider Blog
    Brink's Avatar Posted By:

  1. Brink's Avatar
    Posts : 59,153
    64-bit Windows 11 Pro for Workstations
       #1

    KB5004123 CU Windows 10 Insider Preview Dev Build 21390.2025 - June 14-21390.jpg
      My Computers

  2. Noah W's Avatar
    Posts : 281
    Microsoft Windows 11 Home (x64) Build Version 22000.65
       #2
      My Computer

  3. kado897's Avatar
    Posts : 42,382
    Windows 10 Home 64bit 21H1 and insider builds
       #3

    Downloading.
      My Computer

  4. magilla's Avatar
    Posts : 3,227
    Windows 10 and windows insider
       #4

    DOWNLOADING now!
      My Computer

  5. Edwin's Avatar
    Posts : 17,821
    Windows 10
       #5

    Gonna have a nap while this one bakes...
      My Computer

  6. f14tomcat's Avatar
    Posts : 55,106
    Multi-boot Windows 10 - RTM, RP, Beta, and Insider
       #6

    KB5004123 CU Windows 10 Insider Preview Dev Build 21390.2025 - June 14-image.png
      My Computers


  7. IronZorg89's Avatar
    Posts : 2,522
    Windows 10 pro x64-bit
       #7

    Just went after it on UUPDump and got this:

    "The selected UUP set has missing files"

    That probably means not ready yet there. Will try again later.
      My Computers

  8. kado897's Avatar
    Posts : 42,382
    Windows 10 Home 64bit 21H1 and insider builds
       #8

    Quite a quick one. Just over an hour to the desktop.
      My Computer

  9. CountMike's Avatar
    Posts : 18,947
    W10+Developer Insider + Linux
       #9

    A wee late but....
    KB5004123 CU Windows 10 Insider Preview Dev Build 21390.2025 - June 14-image.png
      My Computer


 
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