I think it would be replaced by Cortex-M33, which has much higher security feature with TrustZone for microcontroller. I personally don't see the benefit for u

I think it would be replaced by Cortex-M33, which has much higher security feature with TrustZone for microcontroller. I personally don't see the benefit for us of using open-source processors by companies like Google. They are not going to open-source the design to the public anyway.