Fix confirmed!  Everything works fine now with emacs 29.0.50.  (Many 
many new messages about obsolete functions.)
Thank you

GNU Emacs 29.0.50 (build 3, x86_64-pc-linux-gnu, GTK+ Version 3.22.30, 
cairo version 1.15.12) of 2022-08-25
Org mode version 9.5.4 (release_9.5.4-758-g3c11e9 @ 
/home/dortmann/src/git-org-mode/lisp/)

On 8/25/22 09:36, Daniel Ortmann wrote:
> FYI,
> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=57394
>
> Lars at gnu says it is fixed in emacs 29
> The bug's web page says, more specifically, "bug marked as fixed in 
> version 29.1"
>
> ... I can't find emacs 29.1; my 'git pull' still says 29.0 and I don't 
> see any 29.1 branches available.
> I have not been able to test and verify the fix.
>
> Thoughts?
>
>     Daniel Ortmann<daniel.ortmann@oracle.com>  writes:
>
>>     Error: error ("Eager macro-expansion failure: (void-function
>>     byte-compile-warn-obsolete)")
>>     debug-early-backtrace()
>>     debug-early(error (error "Eager macro-expansion failure:
>>     (void-function byte-compile-warn-obsolete)"))
>
>     This should now be fixed in Emacs 29.
>