Thank you all for your help. I have the development version of Lilypond 2.23.6 installed. I have Frescobaldi 3.1.3 installed. Frescobaldi launches fine. I ran the the following Lilypond test code (this used to be the original minimal input):
{ c' e' g' e' } Frescobaldi choked and returned an error message. I will take it up with Frescobaldi support. I reproduce the error message below my signature in case the Lilypond Development Team should know about it. Thank you all again for your detailed and helpful replies. I am looking forward to engraving with Lilypond again. Kind regards Jeremiah *Frescobaldi Error Report* Traceback (most recent call last): File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/engrave/__init__.py", line 141, in engraveRunner File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/engrave/__init__.py", line 145, in engravePreview File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/engrave/__init__.py", line 200, in engrave File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/engrave/__init__.py", line 252, in runJob File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/job/manager.py", line 61, in start_job File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/job/__init__.py", line 211, in start File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/job/lilypond.py", line 176, in configure_command File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/lilypondinfo.py", line 138, in wait File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/cachedproperty.py", line 253, in start File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/cachedproperty.py", line 261, in checkstart File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/cachedproperty.py", line 253, in start File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/cachedproperty.py", line 264, in checkstart File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/cachedproperty.py", line 278, in run File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/cachedproperty.py", line 189, in set File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/signals.py", line 191, in emit File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/signals.py", line 308, in call File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/cachedproperty.py", line 264, in checkstart File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/cachedproperty.py", line 276, in run File "/Applications/Frescobaldi.app/Contents/Resources/lib/python3.9/frescobaldi_app/lilypondinfo.py", line 306, in frommacports TypeError: unsupported operand type(s) for +: 'bool' and 'str' On Sat, Feb 12, 2022 at 11:10 AM Hans Åberg <haber...@telia.com> wrote: > > > On 12 Feb 2022, at 10:50, Lukas-Fabian Moser <l...@gmx.de> wrote: > > > >> I neglected to consider the development releases. I feel so incompetent. > > No need to! > > > > The term "development" (as opposed to "stable") tends to scare users > away. And while it is basically true that > > > > - the development releases might have syntax changes (that might even be > changed again in later development releases) > > - the development releases reflect the current state of cutting-edge > development and therefore may contain changes that turn later out to be > less than ideal and have to be reverted, > > > > in practice, the development releases are absolutely suited for everyday > production work. The reason is that there's a pretty rigid procedure for > adding new changes (commits, merge requests) to LilyPond which includes > both a thorough review and automated tests against a very extensive suite > of regression tests. > > There is currently not so much difference, I would think, since you > recently have changed version, making the current regular release the old > development version. > > > So, I've always thought that the juxtaposition of "stable" vs. > "unstable" releases on the LilyPond home page is not really ideal, as > nobody wants to have "unstable" software. But these releases are routinelly > stable for use; they're just not guaranteed to be stable in the sense of > having frozen feature sets. > > I think the terms "development version" is better. > > > But: With the newly created binaries for current MacOS, we're actually > really at the point where we talk about "new infrastructure, please test > and report back if you encounter problems". If you're willing to do that - > and the lilypond-user list is a great place for reporting back -, you > should be good to go with the new 2.23.6 release. Happy engraving! > > The MacPorts version is though still using Guile 1.8, so there is not much > experimentation there. > >