Am 16.04.23 um 21:11 schrieb Mitch D.:
A minimal EFI bootloader can show an updated menu for the new kernels without needing to make regular writes to the EFI variable storage. I didn't know Grub was deprecated, but there are other options. rEFInd is pretty. Syslinux is flexible.
https://wiki.gentoo.org/wiki/Handbook:AMD64/Installation/Bootloader Default: GRUB