@verdare @lysdexic they are, but you have to be an enterprise customer.

https://ubuntu.com/blog/real-time-ubuntu-is-now-generally-available

https://learn.microsoft.com/en-us/windows/iot/iot-enterprise/soft-real-time/soft-real-time

RTOS are not going to become consumer operating systems, because there's too much value in selling it as a capability to enterprise customers (who are largely the consumers who REQUIRE a RTOS, rather than it merely being a convenience).