As for the combobox, the popup seems directly inherited from juce is that right? I can't see where to modify it. In HiseCombobox component, the popupAsync call has been removed but this is where the width and other options are laying.
@christoph-hart Was thinking you were a genius mathematician, but I've just been fooled... 😛
I'm working on FFT, filters, FDNs, and other pleasures, and I understand now why 10 years are the minimum delay for getting a hand in dirty DSP thingies 😬