Many thanks, that was missing indeed!I understand there's no bug reporting/tracking system for external bug reports like this, I guess we'd just have to hope that someone at ST reads this?

Did you manage to find a solution?I have the same problem, the Nucleo board hangs at this line: /* Enabling DP Pull-UP bit to Connect internal PU resistor on USB DP line */USBx->BCDR |= USB_BCDR_DPPU;If I comment out this line, the USB setup complete...