I've been able to test the changes in a i386 environment, and the JACK interface works just fine. I don't really like how portaudio19 doesn't maintain a persistent connection to JACK, but that cannot be easily fixed within Audacity.
I've been able to test the changes in a i386 environment, and the JACK interface works just fine. I don't really like how portaudio19 doesn't maintain a persistent connection to JACK, but that cannot be easily fixed within Audacity.