You can control the size with a simple Registry tweak This article explains how to make your Windows 11 taskbar bigger or ...

When trying to remove pinned apps from the taskbar, we tend to unpin apps manually. This will surely work but will take way too much time especially if you tend to pin a lot of apps in your taskbar.

You can delete the Taskbar search history from Windows Settings. It is also possible to turn off the search history collection from Registry Editor too. Whenever you search for an app or anything ...