How do you install the linux-lowlatency kernel and why does it stops at version 5.15?

I have been reading today about linux-lowlatency and I am more and more confused. First of all, is the install as simple as sudo apt install linux-lowlatency and then reboot? Do I need to select a different boot option in the Grub menu? I gave it a quick shot and uname -r still returned 6.2 which seems to be the generic version? Secondly, I'm using POP_OS 22.04 LTS, basically Ubuntu, and the kernel is in version 6.2. Yet, linux-lowlatency seems to be stuck at 5.15 (https://packages.ubuntu.com/jammy/linux-lowlatency) . What is the reason behind this version lag and can it be an issue?