Instant formatting is not working when deleting citations. It DOES instant format when adding a citation though. We have tried this wirth multiple word documents.
Here are the versions/build numbers for Word, Endnote, MacOS.
They where “up-to-date” when last checked.
Word version 16.10 build 180210
Endnote X8 8.2 build 13302
Mac 10.13.3