In the release announcement you find:
If you need dual-boot you can reactivate os-prober the easiest with the following command combination in a terminal: sudo echo GRUB_DISABLE_OS_PROBER=false >> /etc/default/grub && sudo update-grub
In the release announcement you find:
If you need dual-boot you can reactivate os-prober the easiest with the following command combination in a terminal: sudo echo GRUB_DISABLE_OS_PROBER=false >> /etc/default/grub && sudo update-grub