>>583-588
こっちが詳しい

https://www.windowscentral.com/microsoft/windows-11/windows-11-major-improvements-announced-movable-taskbar-less-ads-reduced-copilot-better-performance-2026
> major performance upgrades to WinUI that Microsoft is also promising to deliver this year.

> Improving File Explorer fundamentals
> ・Reducing latency and improving reliability across search, navigation and file operations
> ・Substantially lower latency for search, navigation and context menus
> ・Copying and moving large files will be faster and more reliable
> ・Faster launch and responsiveness for common file tasks

https://www.windowscentral.com/microsoft/windows-11/microsoft-promises-to-speed-up-context-menus-folder-navigation-file-transfers-and-search-on-windows-11
> including the ability to pre-load File Explorer in the background so that it launches instantly when you click the icon.