Using an STM32L4xx MCU in CubeMX. Enable the CAN peripheral. Go to configuration and click CAN1 ->
You'll notice that no dialog box ever appears.
Same with migrating an STM32L4xx based project to the new 1.11 framework. PC CPU stays at about 50% usage and stays there for infinite time ( Well, I only let it run for 7 hours, so.... )