When I click on the "Detail" button on the package selection screen, the screen re-configures to allow for the customary package detail display, but nothing appears in the right-hand panes.

Same for both Gnome and KDE installation.

Also, clicking on the expand-contract triangle next to a package does neither.  Instead, it marks the package as "taboo".

Also, making any change to a package selection usually moves the package to the top of the list, and then the next change moves it to the bottom of the list or otherwise re-arranges the list.