What would justify writing a kernel in 2026?

Question

floxy · Accepted Answer

GNU/Hurd needs a microkernel

akerl_ · Answer

Does writing a kernel need to be justified?

zzo38computer · Answer

One would be if you want to design it differently than the existing kernels do.

wmf · Answer

If you mean an OS kernel, it would be interesting to create a fully async kernel using async/await. I've only seen one project working on this.