Just to close the thread: The update to 9.4 resolved at least my issue. Thx!
Detlef Am Fri, 18 Sep 2020 08:57:15 +0200 schrieb Detlef Steuer <ste...@hsu-hh.de>: > Hi all, > > I use https://orgmode.org/elpa/ org-plus-contrib to stay uptodate with > org. > > As it seems GNU elpa has org-9.4. > > Normally I would be more patient, but I'm having very strange > movements of point(!) during folding/unfolding in an old, largish > file where folding always worked. The cursor ends up in a different > part of my file after unfolding some headline. Further I was unable > to bisect the file. When removing headlines to construct a minimal > example, the exact headline where this phenomen happens, changes. > Well, I would like to try 9.4 first before asking for further help. > > Thx for all the work! > > Detlef > >