I mean, it's normal for like half of the peripheral functionality on STM micros to outright not work. But usually that’s something relatively niche like the CAN

I mean, it's normal for like half of the peripheral functionality on STM micros to outright not work. But usually that’s something relatively niche like the CAN transceiver or the DMA controller targeting a particular MMIO range or some specific mode of the external memory interface. Having an erratum affecting literally all GPIO pins is unusually scary.