I used to use an action that migrated cleanly through updates on it's own but when I reset my windows I had to reinstall programs. My file structure is songs in mp3 format file named as the song title, in a folder named after the album, and all the albums go in a folder by artist. The cover is always cover.jpg in the album folder. So I had an action that imported the cover from file cover.jpg, Guessed the vaule %title% from %_filename%, and did the correct structure for the other guessing values. 4 actions put under one action altogether and when I run it the covers are imported but nothing else changes. Then if I go into tag using tag and manually do those actions one step at a time, it also does nothing. If I uninstall and go straight to the tag to tag instead of using actions it writes fine, but then I get hopeful and try to make my action again to just have it be one click and it then repeats everything above and I have to reinstall again
It may be worthwhile to check the settings which tag versions you read, write and delete.
It could be that you now read APE tags but you do not write them. APE tags overwrite ID3Vx tags in the display.
A recommended setting is to delete all tag versions, but read and write only Id3Vx tags.