hyperv
Windows-native virtualization via Hyper-V. Linux guests are reached over SSH; Windows guests can be driven via PowerShell Direct. This is the default backend on Windows.
Network configuration is available through HEYO_HYPERV_NETWORK_* environment
variables.
Backend name: hyperv.
windows_sandbox
Disposable environments using Windows Sandbox — each sandbox is a throwaway .wsb
instance that is destroyed when it stops.
Backend name: windows_sandbox (aliases windows-sandbox, wsb).
Both backends require their respective Windows features to be enabled. See Installing on Windows.