Windows 10 build 21354

Windows 10 build 21354 is the thirteenth Insider Preview build of Cobalt. This build was released on 7 April 2021 to all Windows Insiders on the Dev Channel as the first from the  branch, where CO stands for the element Cobalt.

Settings changes
There have been several changes to Settings in this build.

CABC toggle
A setting to modify content adaptive brightness control (CABC) has been implemented; this is in the form of a checkbox under the display brightness slider labelled "Automatically adjust contrast based on the displayed content to help improve battery".

Camera Settings
A new dedicated camera settings page has been implemented into the Settings menu; it is oriented for use with ONVIF protocol IP cameras. It provides basic management functions, such as adding and deleting devices of cameras and modifying default camera settings.

Feeds (News & Interests) changes
A new feature has been added to the News and Interests (internally dubbed Feeds) UI. This allows the user to select the topics and news agencies that they are interested in.

Other changes

 * The string shown during the upgrade to this build has been changed from "Please keep your computer on and plugged in." to just "Please keep your computer on."
 * Search no longer crashes.
 * Start menu list has been reorganized with most of the apps being moved from Windows Accessories, Windows System and Windows PowerShell to its own place in Start menu.
 * File Explorer is no longer pinned to the taskbar by default.

Bugs

 * The update process to this build has a chance of hanging for extended periods of time.
 * Parts of search will not follow the system's dark theme.