Linux 6.12 will finally include PREEMPT_RT by default, which will give it real-time capability. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d8fccd9ca5f905533dc6c26cfd1f91beb8691c95 https://kernelnewbies.org/Linux_6.12
I need a captain o use cases xD
Embedded devices, such as automotive devices currently using QNX, medical devices, nuclear power plants, in general any critical system that needs deterministic responses. It also has applications in multimedia such as real-time video and audio processing and can even be applied to the gaming experience.
what does it mean in practice for a common user?