Here's what you need to do: If you have multiple monitors, look for Combine Taskbar buttons and hide labels on other taskbars to apply the same setting to the taskbar on all your monitors.
Microsoft appears to be working on new buttons for the tray area in Windows ... and go to Personalization > Taskbar > System tray icons and select the desired option from the "Emoji and more ...
If you want to add a new search button in the taskbar of Windows 11, you can use the steps covered below. Before you do that, do note that this feature can be enabled and used with build 22621.754 ...