CMSIS 6.0.0
__IOM uint8_t IPR[240U]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register (8Bit wide) */
CMSIS 5.9.0
__IOM uint8_t IP[240U]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register (8Bit wide) */
it messes up the DFPs..