New kernel does not mean better performance etc etc etc
It usually means that there have been adjustments made to remedy some underlying bug, or to take into account differences made in various distros, etc etc
If your machine is running well, behaving itself etc......you can always upgrade the kernel....BUT ..be sure to Create a Timeshift snapshot before you do, and be prepared to Restore to that snapshot if things go sideways for you.
This was published in July 2025....but the source is impeccable
: Mostly minor changes under the hood – a lot of them
www.theregister.com
Not a task for the faint hearted. The fact that few games complained, tell me that the games for the advances made by the new kernel.
A long, but informative, read:
Easy tips, tweaks and tricks for Linux Mint and Ubuntu, both for beginners and for advanced users. Complete starter's guide with simple how-to's.
easylinuxtipsproject.blogspot.com
if you need help to get rid of a kernel, just ask. No problem.