Hi – I’ve been testing the Endnotes feature in InDesign CC2019 and here’s what I see so far:
It appears to be much improved in several ways.
a) you have the option of importing static endnotes, as it was in CC2017, so if the live notes just don’t work for you, you can go back to the way it was before without haveing to keep CC2017 installed just for this (we were placing text in CC2017 and then switching to CC2018 expressly for this reason)
b) You can have InDesign apply paragraph styles to the Notes, char styles to the note refs, and specify prefix & suffix (i.e. tab before the number, period after, with a tab as separator if you like). Not sure how much of this was there in CC2018.
c) if you delete a note ref, the note goes away; and vice versa.
d) It puts endnotes for multiple chapters together in one threaded frame. You can insert spaces and heads to separate chapters, and have it renumber beginning with each chapter or story. So, as long as you use the frame it creates for the notes, you’re OK – i.e. you can change it to 3 columns, move it to a different location.
CAVEAT: You cannot copy/paste the notes to a different text frame. If you do, they lose their link to the notes, the numbers come in as question marks, and if you delete the note text from the original frame, the note refs in your document disappear.
You CAN add pages to the notes thread, and delete the original page and the notes will move and still work. So, it’s not the frame itself that contains the note refs; it appears to be some kind of cross reference format that does not get copied when you copy/paste the text. But it does not show in the cross references or hyperlinks panels.