According to the PDF manual (p.259), to import a text file as a note I should (1) click File|Import; (2) click the browse button and pick the file; and (3) select the "Wizard" tab. However, I see no Wizard tab, only tabs for "Delimited/Spreadsheet/DB Table" and "Other Applications." The instructions say the latter tab is for another purpose, and in fact it gives a choice only for Scholar's Aid.
It seems that the Wizard tab has been inadvertently omitted from version 8.
The tab is named "Delimited
The tab is named "Delimited / Spreadsheet / DB Table" in version 8. This tab will run the wizard.