As I have learned on the German gnucash mailinglist [1], the bug has been fixed upstream after version 3.7 appeared.
The upstream bug report is at [2], and theb corresponding bugfix at [3]. HTH Markus [1] https://lists.gnucash.org/pipermail/gnucash-de/2020-June/011639.html [2] https://bugs.gnucash.org/show_bug.cgi?id=797750 [3] https://github.com/Gnucash/gnucash/commit/659f785cb81396412e503b4d8f5fe22ceb3f39df
