****Optional/Preview Updates for Windows 11**

[KB5127936 Preview for Windows 11 25H2 and 26H2](https://winaero.com/changes-in-kb5127936-preview-builds-26300-9818-and-26300-9818-for-windows-11-25h2-and-26h2/) brings various interface, accessibility, recovery, networking, and security updates. Explorer gets a faster, more customizable context menu, improves search-result details, adds tilde-path support, and fully supports dark theme in Folder Options. Settings also gets clearer privacy controls, a wider Device details card rollout, and minor UI refinements.

Accessibility receives several notable upgrades: Magnifier now supports per-monitor scaling, viewport locking, and a contrast theme switch; Live Captions can ignore screen reader audio; and Narrator gains better math reading and formula navigation across Microsoft 365, Edge, and Chrome. Recovery is expanded with WinRE Wi‑Fi profile reuse and a new Cloud Rebuild option for reinstalling Windows from the cloud.

Other changes include smoother taskbar thumbnails, better Edge launch performance, IPv6 CLAT support, updated Unicode 17.0 text handling, and automatic Memory Integrity enablement on more compatible devices. The update also fixes issues affecting Remote Desktop, BitLocker, Windows Sandbox, VPN, WSL, audio, certificates, and Smart App Control.

 The [optional KB5127653 update for Windows 11 version 26H1](https://winaero.com/whats-new-in-kb5127653-preview-build-28000-3365-for-windows-11-26h1/) targets Snapdragon X2 devices and brings a number of refinements across File Explorer, Emoji, Widgets, Personalization, Bluetooth, Settings, and touchpad behavior. File Explorer gets safer internet-file previews, better thumbnails for cloud files, and a more reliable home page and address bar. The update also adds Emoji 17.0 support, a Tips widget, improved background handling, and new touchpad scrolling options.

It further improves accessibility and device control with the new “Open apps maximized” setting, updated Magnifier styling, camera and Bluetooth fixes, and the ability to remap the Copilot key. Other notable changes include photo backup to OneDrive, expanded font and script support, better power and battery handling, Admin Protection rollout, enhanced backup restore summaries, and WinRE Wi‑Fi reuse support. The release also includes fixes for Edge launch speed, Remote Desktop, VPN, BitLocker, Windows PowerShell, DST updates, sound, certificates, and WSL.