VirtualBox 6.1.34 Build 150636

What's new in this version:

- VMM: Fix instruction emulation for "cmpxchg16b"
- GUI: Improved GUI behavior on macOS Big Sur and later when kernel extensions are not loaded
- EHCI: Addressed an issue with handling short packets
- Storage: Fixed a potential hang during disk I/O when the host I/O cache is disabled
- NVMe: Fixed loading saved state when nothing is attached to it
- DevPcBios: Addressed an issue which resulted in rejecting the detected LCHS geometry when the head count was above 16
- virtio-scsi: Improvements
- E1000: Improve descriptor handling
- VBoxManage: Fixed handling of command line arguments with incomplete quotes
- VBoxManage: Improved 'natnetwork list' output
- VBoxManage: NATNetwork: Provide an option (--ipv6-prefix) to set IPv6 prefix
- VBoxManage: NATNetwork: Provide an option (--ipv6-default) to advertise default IPv6 route
- VBoxManage: Fix documentation of "usbdevsource add"
- Networking: General improvements in IPv4 and IPv6 area
- OVF Import: Allow users to specify a different storage controller and/or controller port for hard disks when importing a VM
- Unattended install: Improvements
- Shared Clipboard: Improved HTML clipboard handling for Windows host
- MacOS host: Fix handling of non-ASCII characters in the guest control functionality
- Linux host and guest: Introduced initial support for kernel 5.17
- Solaris package: Fixes for API access from Python
- Solaris IPS package: Suppress dependency on libpython2.7.so.*
- Linux host and guest: Fixes for Linux kernel 5.14
- Linux Guest Additions: Fixed guest screen resize for older guests which are running libXrandr older than version 1.4
- Linux Guest Additions: Introduced initial support for RHEL 8.6 kernels
- Windows guest: Make driver install smarter
- Solaris guest: Addressed an issue which prevented VBox GAs 6.1.30 or 6.1.32 from being removed in Solaris 10 guests
- EFI: Fixed booting from FreeBSD ISO images