Windows 11 build 26120.2122

10.0.26120.2122.ge_release_svc_betaflt_prod1.241004-1134
	Build of Windows 11 2024 Update
OS family	Windows 11 (NT 10.0)
Version number	10.0
Build number	26120
Build revision	2122
Architecture	AMD64, ARM64
Build lab	ge_release_svc_betaflt_prod1
Compiled on	2024-10-04
SKUs
	Home (N, Single Language, China); SE (N); Pro (N, Single Language, China); Pro Education (N); Pro for Workstations (N); Education (N); Enterprise (Evaluation (N), G(N), N, LTSC (Evaluation)); IoT Enterprise (LTSC (Evaluation, Subscription))

Windows 11 build 26120.2122 is a build of Windows 11 2024 Update. It was released to the Windows Insiders in the Dev Channel on 11 October 2024 as the KB5037898 enablement update to build 26100.2122 (KB5044374). This build was distributed as a checkpoint cumulative update that contains incremental changes since build 26100.1742.

New features and changes[edit | edit source]

Features[edit | edit source]

The following features and changes introduced previously have been gradually rolled out:

The redesigned taskbar thumbnail previews with new hover and switch animations (previously implemented in build 26120.1330 and can be activated manually by enabling the 29532725 velocity staging key)
The ability to show the disk drive interface next to the drive type under Task Manager's Performance page (previously implemented in build 26120.1930 and can be activated manually by enabling the 51978387 velocity staging key)
The redesigned dialog for disconnecting the selected user in Task Manager (previously implemented in build 26120.1930 and can be activated manually by enabling the 53330962 velocity staging key)

Bugfixes[edit | edit source]

Fixed an underlying issue that was causing the screen to go black for a few seconds when pressing Alt+Tab ↹.
Fixed an issue that was causing the 0x800f0825 when attempting to install latest Dev Channel builds.
Fixed an issue that was causing the Remote Desktop Gateway Service to stop responding when a service uses RPC over HTTP.

Bugs and quirks[edit | edit source]

Attempting to install this build may fail with the 0x800f0983 and 0xc1900101 errors.
Clicking or tapping on a letter on Start menu's All apps list may cause it to break. Restarting explorer.exe may resolve this issue.
Live captions may fail to lanuch with the 0xc0000409 exception.