Same as 9.01 Beta2 except fixes the Learn bug in the Pitch block.
Mark I/II:
www.fractalaudio.com/downloads/firmware-presets/axe-fx-2/Quantum/9.0/AxeFx2_Quantum_9p01.zip
XL:
www.fractalaudio.com/downloads/firmware-presets/axe-fx-2/Quantum/9.0/AxeFx2_XL_Quantum_9p01.zip
XL+:
www.fractalaudio.com/downloads/firmware-presets/axe-fx-2/Quantum/9.0/AxeFx2_XLplus_Quantum_9p01.zip
Mark I/II:
www.fractalaudio.com/downloads/firmware-presets/axe-fx-2/Quantum/9.0/AxeFx2_Quantum_9p01.zip
XL:
www.fractalaudio.com/downloads/firmware-presets/axe-fx-2/Quantum/9.0/AxeFx2_XL_Quantum_9p01.zip
XL+:
www.fractalaudio.com/downloads/firmware-presets/axe-fx-2/Quantum/9.0/AxeFx2_XLplus_Quantum_9p01.zip