It was just four years ago in Ubuntu 19.10 that Ubuntu’s desktop installer added OpenZFS support for carrying out root file-system installations atop this ZFS file-system. Since then the Canonical/Ubuntu interest has waned. Ahead of the Ubuntu 23.04 release this week, I tried out the Ubuntu Lunar Lobster daily snapshot this weekend to find the OpenZFS install support with Ubuntu’s new desktop installer to still be missing…
Source: Phoronix – Ubuntu 23.04 Desktop’s New Installer Set To Ship Without OpenZFS Install Support