Windows 11 build 22623.891 (KB5020040) is available in the Beta channel

Microsoft introduces Windows 11 build 22623.891 (KB5020040) with new features enabled by default and preview build 22621.891 (KB5020040) with new features disabled by default.

According to the official changes, Build 22623.891 for Windows 11 introduces a new version of Task Manager with a search function for filtering processes, theming and "efficiency mode" improvements, and various fixes.

In addition, Windows 11 22623.891 and 22621.891 address various issues with File Explorer, Microsoft Edge, Microsoft Defender, OOBE, and more. The following are the official update notes:

Announcing Windows 11 Insider Preview Build 22621.891 and 22623.891 | Windows Insider Blog