> I've freshly installed Frescobaldi using mac port. When lauching the > frescobaldi.app,
Are you sure that this is the Frescobaldi that was installed by MacPorts? It rather sounds like the (buggy) .app distributed in the Frescobaldi releases. I think the MacPorts-installed Frescobaldi should be launched by executing the `frescobaldi` command in a terminal — which was apparently successful for you.
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