A new beta test version, 4, has been posted in the prior post along with new images relating to the new GUI Tool, "RIS Tags: Create Individual Custom Columns".
Major new feature: a selection dialog within which you may select/deselect any new RIS custom column choices so you do not have to create all 55 of the possible Tag-to-Custom Column mappings. The default for missing custom columns is the standard Calibre "Comments" column, so their values will go there if they have no specific target to go to.
see:
https://www.mobileread.com/forums/sh...5&postcount=24
DaltonST