This conversation has been merged. Please reference the main conversation: Lightroom Classic: Side panels erratically overlay import dialog (latest macos)
The import dialog should come in front of LR's interface. However, when opened, it stays behind the panels, as can be seen in the screenshots below. This happens when using the "import button" as well as using the "import to this folder" option.
The lateral panes do hide the import GUI:
The lateral panes can be hidden using the TAB key but the little triangles are missing. The upper and lower parts of the import pane remake hidden: