Tried the terminal work around: No success. Complexe answer from my mac booK:
To update your account to use zsh, please run chsh -s /bin/zsh.
For more details, please visit Use zsh as the default shell on your Mac - Apple Support.
MacBook-Pro:~ bwassmann$ /Applications/Roon.app/Contents/MacOS/Roon -nosonosflac
2023-04-02 08:46:21.303 Roon[1539:46542] The type Broo.Engine.BrooOpenGLView does not have a constructor that takes an ObjCRuntime.NativeHandle parameter but a constructor that takes an System.IntPtr parameter was found (and will be used instead). It’s highly recommended to change the signature of the System.IntPtr constructor to be ObjCRuntime.NativeHandle.
2023-04-02 08:46:21.363 Roon[1539:46542] The type Broo.Engine.OpenGlWindow does not have a constructor that takes an ObjCRuntime.NativeHandle parameter but a constructor that takes an System.IntPtr parameter was found (and will be used instead). It’s highly recommended to change the signature of the System.IntPtr constructor to be ObjCRuntime.NativeHandle.
2023-04-02 08:46:21.367 Roon[1539:46542] The type Broo.Engine.CocoaComponents does not have a constructor that takes an ObjCRuntime.NativeHandle parameter but a constructor that takes an System.IntPtr parameter was found (and will be used instead). It’s highly recommended to change the signature of the System.IntPtr constructor to be ObjCRuntime.NativeHandle.
2023-04-02 08:46:21.404 Roon[1539:46542] The type Broo.Engine.SooloosSecureTextFieldCell does not have a constructor that takes an ObjCRuntime.NativeHandle parameter but a constructor that takes an System.IntPtr parameter was found (and will be used instead). It’s highly recommended to change the signature of the System.IntPtr constructor to be ObjCRuntime.NativeHandle.
BUT: system is running on a synology NAS. DS220+
Stil waiting for solution.