Comment # 4 on bug 1208584 from Lubos Kocman

After the change

lkocman@localhost:~> grep PROBER /etc/default/grub
GRUB_DISABLE_OS_PROBER="false"

lkocman@localhost:~> sudo grub2-mkconfig  | grep -i Windows
Generating grub configuration file ...
Found theme: /boot/grub2/themes/openSUSE/theme.txt
Found linux image: /boot/vmlinuz-6.1.12-1-default
Found initrd image: /boot/initrd-6.1.12-1-default
Warning: os-prober will be executed to detect other bootable partitions.
Its output will be used to detect bootable binaries on them and create new boot
entries.
Found Windows Boot Manager on /dev/nvme0n1p1@/efi/Microsoft/Boot/bootmgfw.efi
menuentry 'Windows Boot Manager (on /dev/nvme0n1p1)' --class windows --class os
$menuentry_id_option 'osprober-efi-768D-6013' {
Adding boot menu entry for UEFI Firmware Settings ...
done