Here are the release notes for Ubuntu 21.10: https://discourse.ubuntu.com/t/impish-indri-release-notes/21951 https://discourse.ubuntu.com/t/impish-indri-release

Here are the release notes for Ubuntu 21.10: https://discourse.ubuntu.com/t/impish-indri-release-notes/21951 https://discourse.ubuntu.com/t/impish-indri-release-notes/21... Search for "ZFS". You'll find this part under "Known Issues": > The version of the ZFS driver included in the 5.13.0-19 kernel contains a bug that can result in filesystem corruption. Users of ZFS are advised to wait until the first Stable Release Update of the kernel in 21.10 before upgrading.