OB-Xd 3.20 introduces a fully independent second LFO running in parallel with LFO1, full MPE support with configurable per-axis routing for pitch bend, aftertouch and timbre (CC74), a reworked MIDI Learn workflow with live LCD prompts, full MIDI board management (Save As, Rename, Delete, Import, Export) auto-grouped by manufacturer, and a new Knob LED Visualizer system that brings real-time visual feedback across the interface — Volume VU, filter cutoff envelope and LFO tracking, animated Amp/Filter ADSR strips, modulation previews on Osc1/2 pitch and Pulse Width, per-voice pan activity and bipolar LED mode. Plus Persistent Voicing across preset changes, anchored Disk Browser and bank search in the preset bar, and standalone MIDI Out via virtual CoreMIDI port.
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