https://www.bleepingcomputer.com/news/microsoft/windows-11-finally-gets-a-never-combine-taskbar-buttons-mode/

Microsoft has released a new Windows 11 dev build that adds a long-awaited feature allowing users to ensure that all windows are shown as individual items in the taskbar.

The option, known as "never combined mode," is rolling out with the Windows 11 Insider Preview Build 23466 to the rebooted Dev Channel flighting 23000 series builds.