What's Changed
- docs: Readme by @kroese in #1108
- feat: Allow product key configuration by @kroese in #1110
- chore(deps): update qemux/qemu docker tag to v6.22 by @renovate in #1113
- feat: Add Hyper-V Server 2019 by @kroese in #1114
Full Changelog: v4.20...v4.21