Firmware package v1.25.0 introduced new define for USB stack called USE_USB_FS. This isn't generated anywhere even when USB speed in CubeMX is set to "Device Full Speed 12MBit/s". Previously, the following defines have been used (and they still are!)...

All files generated by CubeMX are licensed under "Ultimate Liberty license". Looking over the terms of the license, one particular detail is very interesting:5. No use, reproduction or redistribution of this software partially or totally may be done ...