• virt-install --cloud-init support (Athina Plaskasoviti, Cole Robinson)
• The virt-convert tool has been removed. Please use virt-v2v instead
• A handful of UI XML configuration options have been removed. The XML
  editor can be used instead. For a larger discussion see this thread:
  https://www.redhat.com/archives/virt-tools-list/2019-June/msg00117.html
• The 'New VM' UI now has a 'Manual Install' option which creates a VM
  without any required install media
• In the 'New VM' UI, the network/pxe install option has been removed. If
  you need network boot, choose 'Manual Install' and set the boot device after
  initial VM creation
• 'Clone VM' UI has been reworked and simplified
• 'Migrate VM' UI now has an XML editor for the destination VM
• Global and per-vm option to disable graphical console autoconnect. This
  makes it easier to use virt-manager alongside another client like virt-
  viewer
• virt-manager: set guest time after VM restore (Michael Weiser)
• virt-manager: option to delete storage when removing disk device (Lily
  Nie)
• virt-manager: show warnings if snapshot operation is unsafe (Michael
  Weiser)
• Unattended install improvements (Fabiano Fidêncio)
• cli: new --xml XPATH=VAL option for making direct XML changes
• virt-install: new --reinstall=DOMAIN option
• virt-install: new --autoconsole text|graphical|none option
• virt-install: new --os-variant detect=on,require=on suboptions
• cli: --clock, --keywrap, --blkiotune, --cputune additions (Athina
  Plaskasoviti)
• cli: add --features kvm.hint-dedicated.state= (Menno Lageman)
• cli:--iommu option (Menno Lageman)
• cli: Add --graphics websocket= support (Petr Benes)
• cli: Add --disk type=nvme source.* suboptions
• cli: Fill in all --filesystem suboptions
• Translation string improvements (Pino Toscano)
• Convert from .pod to .rst for man pages
• Switch to pytest as our test runner
• Massively improved unittest and uitest code coverage
• Now using github issues as our bug tracker