It's unlikely this is the final version of the feature.

Microsoft has also indicated that a smaller taskbar option is in development, further expanding customisation options.

Add the TaskbarSi value to the Windows Registry. Change value data to 0 for a small taskbar or 2 for bigger icons. Restart or log out for it to take effect. The easiest way to change the Windows 11 ...

A Microsoft developer accidentally leaked footage of Windows 11’s upcoming movable taskbar feature on April 1st, revealing long-awaited customization options. PCWorld reports the feature allows users ...

Microsoft teases Windows 11 taskbar customization, allowing users to move it to top or sides with new settings.