Appending (or merging) a bibtex collection doesn't copy over the string macros.
Git commit 05f94380e5d9015d4739f58f89c6aef663b08d0d by Robby Stephenson. Committed on 06/08/2021 at 01:27. Pushed by rstephenson into branch '3.4'. Add and remove string macros when appending or merging bibliographies FIXED-IN: 3.4.2 M +4 -0 ChangeLog M +1 -0 src/collections/bibtexcollection.h M +43 -0 src/commands/collectioncommand.cpp M +4 -0 src/commands/collectioncommand.h https://invent.kde.org/office/tellico/commit/05f94380e5d9015d4739f58f89c6aef663b08d0d