Microsoft rolls out Windows 10 build 21390 in the Dev channel with new icons

Windows 10 logo and Insider Preview text next to a laptop saying vNext on a green background

After a few weeks of not meeting the usual Wednesday schedule for new Windows 10 builds, Microsoft seems to be back on track this week, with build 21390 heading out to Insiders today. It's a small jump from build 21387 released last week, but that makes sense considering it was rolled out on a Friday.

Because there have been fewer internal builds since the last release, there are also even fewer changes than usual. Not that there's been a lot, as it appears that Microsoft is locking down feature additions for the next Windows 10 feature update, which is expected to arrive in the second half of the year. Builds have been coming from the co_release branch, and this week is no exception. There are only a couple of new things in this build:

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

The build does have a fair amount of fixes, though. Here's the full list:

  • 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.

There are still some known issues in this release, but the list has shrunken a bit more this time. Here's what you might still run into:

  • 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.

Aside from what's new in the build, Microsoft also mentioned that in order to make feedback more relevant, feedback items that are over 15 months old will no longer be saved in the Feedback Hub app.

Reports have been cropping up that Microsoft is planning a major design change for Windows 10, with hints of what it might look like showing up here and there. Microsoft CEO Satya Nadella also said yesterday that he's very excited for the future of Windows. However, only some changes have been made so far, and it's looking like we may need to wait until 2022 for the bulk of those UI changes to make their way to the general public. Insider builds later this year should have more news, though.

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