The [http://zfs.datto.com/ ZFS User Conference] was held April 2018. Videos now posted.
Matt Ahrens will give a talk at BSDCAN: [https://www.bsdcan.org/2018/schedule/events/960.en.html
Want to add a disk to OpenZFS ' RAID-Z?], June 2018
Sara Hartse will give a talk at BSDCAN: [https://www.bsdcan.org/2018/schedule/events/937.en.html 100x Faster Clone Deletion for ZFS], June 2018