Thanks, guys! 

I'm curious as to why the library is no longer compatible. It's frustrating because I have a collection of synths I've built over the years using the FLTK opcodes, and I would really like to continue using them in the latest version of Csound, if possible. I’ve seen a few users mention compatibility with version 6.17. If anyone is aware of a straightforward workaround for 6.18, I would greatly appreciate any assistance. I recently upgraded my system (after my previous laptop died) and am currently running macOS 15.3.2

Risto, are you aware of a straightforward method to accomplish this with 6.17 using the installer and moving files, or is it more complex, requiring a build from source?

Daniel

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