VirtualBox 6.1.28

Virtualbox[German]Oracle's developers have already released Virtualbox version 6.1.28 on October 19, 2021. It is a maintenance update that is supposed to fix bugs of previous versions. It was discusse, that the host's TPM 2.0 is provided in the VMs for Windows 11 – but that seems not true, the feature is still in internal tests.


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According to the changelog, the version 6.1.28 update should fix the following bugs in previous Virtualbox releases.

  • VMM: Fixed guru meditation while booting nested-guests accessing debug registers under certain conditions
  • UI: Bug fixes for touchpad-based scrolling
  • VMSVGA: Fixed VM black screen issue on first resize after restoring from saved state (bug #20067)
  • VMSVGA: Fixed display corruption on Linux Mint (bug #20513)
  • Storage: Fixed a possible write error under certain circumstances when using VHD images (bug #20512)
  • Network: Multiple updates in virtio-net device support
  • Network: Disconnecting cable in saved VM state now is handled properly by virtio-net
  • Network: More administrative control over network ranges, see user manual
  • NAT: Fixed not rejecting TFTP requests with absolute pathnames (bug #20589)
  • Audio: Fixed VM session aborting after PC hibernation (bug #20516)
  • Audio: Fixed setting the line-in volume of the HDA emulation on modern Linux guests
  • Audio: Fixed resuming playback of the AC'97 emulation while a snapshot has been taken
  • API: Added bindings support for Python 3.9 (bug #20252)
  • API: Fixed rare hang of VM when changing settings at runtime
  • Linux host: Improved kernel modules installation detection which prevents unnecessary modules rebuild
  • Windows Host: Sped up large page allocations on Windows 8 and later
  • Windows Host: Fixed VBoxHeadless process sticking around after VM is closed (bug #20574)
  • Host Services: Shared Clipboard: Prevent guest clipboard reset when clipboard sharing is disabled (bug #20487)
  • Host Services: Shared Clipboard over VRDP: Fixed to continue working when guest service reconnects to host (bug #20366)
  • Host Services: Shared Clipboard over VRDP: Fixed preventing remote RDP client to hang when guest has no clipboard data to report
  • Linux Host and Guest: Introduced initial support for kernels 5.14 and 5.15
  • Linux Host and Guest: Introduced initial support for RHEL 8.5 kernel
  • Windows Guest: Introduced Windows 11 guest support, including unattended installation

There is also a compatibility issue with Hyper-V unter Windows 11, that has not been addressed. The new version of the virtualization software can be downloaded for Windows, Mac OSX and Linux from this download page. It should be noted that an updated version of the VirtualBox Oracle VM VirtualBox Extension Pack must also be downloaded and installed. VirtualBox can be used freely, but there are special license conditions for the Extension Pack.


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