I know this will be down voted but I've learned to be a bit skeptical of Axboe's monumental claims. There have been some unfair benchmarks posted in the past surrounding io_uring that were called out by people on the liburing repositories. Take these with a grain of salt - his results are notoriously very difficult to reproduce, even on identical hardware.
Nevertheless, io_uring is certainly the better design and I'm happy to see progress still being made.
Nevertheless, io_uring is certainly the better design and I'm happy to see progress still being made.