Upgrade from 17.1 core to 17.2 core, kernels & NVIDIA

Hi,
I was using 17.1 Core and following normal updates I am apparently now on 17.2 Core.
However I see that the kernel in use is still 6.5 instead of 6.8.
How can I verify that the transition from 17.1 to 17.2 is completed in all its parts?
But above all: since I have a dual video card (hybrid Intel + Nvidia), is it advisable to go for kernel 6.8 or it is better to stay with 6.5 ?

Thank you very much