Alessandro Bertulli <alessandro.bertull...@gmail.com> writes: > I think I spotted the problem. It's difficult to be sure, but > apparently, since version 4.31, latexmk automatically detects and run > biber as a citation engine (see this post > https://tex.stackexchange.com/a/231351/259874). In fact, in the latexmk > man page, it is said to use the option -bibtex to use BibTeX.
On the latest Org, using latexmk 4.80, I can compile using both biblatex and natbib citation processors just fine. -- Ihor Radchenko // yantar92, Org mode contributor, Learn more about Org mode at <https://orgmode.org/>. Support Org development at <https://liberapay.com/org-mode>, or support my work at <https://liberapay.com/yantar92>
