Microsoft has released the March 2026 Patch Tuesday update, KB5079473, for all supported versions of Windows 11 (25H2 and 24H2). Key changes include:
- A Network Speed Test Tool in the Taskbar for measuring Ethernet, Wi-Fi, and cellular performance.
- New pan and tilt options for supported cameras in the Settings menu.
- Built-in System Monitor (Sysmon) available as an optional feature; users should uninstall previous versions before enabling it.
- Remote Server Administration Tools (RSAT) support for Windows 11 Arm64 devices.
- Quick Machine Recovery tool enabled for Windows Professional devices not domain-joined or enrolled in enterprise management.
- Ability to use .webp image files for desktop backgrounds.
- Introduction of new emojis from Emoji 16.0, including a face with bags under the eyes and a fingerprint.
- BitLocker improvements for device responsiveness after entering a recovery key.
- Enhanced reliability of search functions in File Explorer.
Additionally, Microsoft is publishing patch notes for the upcoming version 26H1, which is currently available to Windows Insiders on the Canary Channel but not yet public. The KB5079466 patch for version 26H1 includes features already seen in earlier Windows 11 versions.