Hi,
I just noticed that the section "Pd compiled for older system" in http://msp.ucsd.edu/software.html actually contains macOS versions of Pd 0.53-1 instead of Pd 0.54-1. I just discovered this because I download the .tar.gz files in my CI pipeline; I tried to increase the Pd version to 0.54-1 and got an error...
Christof