Any AU Support would depend upon it getting added to https://github.com/DISTRHO/DPF first as that's the library that provides the builds of the VST and LV2 versions in a plugin architecture independent way.
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Any AU Support would depend upon it getting added to https://github.com/DISTRHO/DPF first as that's the library that provides the builds of the VST and LV2 versions in a plugin architecture independent way.