I assume the "modern" means usinng io_uring, which means requiring Linux 5.1+. If you stick with lts kernel version, means the latest versionn is Linux 5.4 20th

I assume the "modern" means usinng io_uring, which means requiring Linux 5.1+. If you stick with lts kernel version, means the latest versionn is Linux 5.4 20th LTS released at 2019-09-24, ubuntu 20.04, debian 11.