How to change paragraph spacing in Pages, version 15.1

By default, Pages v15.1 has its Text panel > Spacing section collapsed and that will not show the customary Before and After paragraph settings. Once you click the Spacing, it will expand its content, you will see the following paragraph settings shown for my open document:

This capability has not changed at all in Pages v15.1.

See Cannot adjust paragraph spacing or line p… - Apple Community

Click > Spacing. Not the numeric selector.