Microsoft released KB5095091 (OS Build 28000.2340) (https://support.microsoft.com/en-us/topic/may-26-2026-kb5089570-os-build-28000-2179-preview-89993979-7bd9-4e57-aa33-588c7780addb) for Windows 11 Version 26H1. Microsoft also released KB5095093 (OS Builds 26200.8737 and 26100.8732) (https://support.microsoft.com/en-us/topic/june-23-2026-kb5095091-os-build-28000-2340-preview-255237ff-1236-4ad7-a087-251eb0cf8869) for Windows 11 versions 25H2 and 24H2.
See the referenced KB Articles for information about any quality improvements, new features and the highlights included in the updates.
Update: To get the update, go to Settings > Update & Security > Windows Update. The link to download the update can be found in the Optional updates available section.