Windows 11 23h2 Build 25227.1010 Multi 5 Basic ... May 2026

A new dialog was added to the Settings app (under Disks & Volumes) to warn users about potential data loss before changing a drive's partition style (e.g., MBR to GPT). Notable Fixes and Improvements

Because 25227.1010 inherited all changes from the base 25227 build, it included several major interface and system experiments:

Resolved an issue where dragging icons in the system tray would cause the shell to crash. WINDOWS 11 23H2 BUILD 25227.1010 MULTI 5 Basic ...

Microsoft began testing notifications on the user profile icon in the Start menu to alert users when their account needed attention (e.g., a missing backup or subscription issue).

The "Multi 5" designation typically refers to a custom or unofficial ISO containing multiple editions (e.g., Home, Pro, Enterprise) and support for five major languages. Key Features Introduced in Build 25227 A new dialog was added to the Settings

This build experimented with a vertical navigation pane on the left side of the Widgets board, changing how users access their feed and widget settings.

Build 25227 was an early Insider Preview. The subsequent .1010 revision (KB5020539) was designed specifically to test Microsoft's ability to deliver cumulative updates to the Dev Channel without adding new functional code. The "Multi 5" designation typically refers to a

was a specific cumulative update released to the Dev Channel on October 21, 2022, as part of the early development cycle for what eventually became the 23H2 and 24H2 feature updates . While it did not introduce new features itself, it served as a "servicing pipeline" test for the broader Build 25227 . Core Update Details