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VirtualBox 6.1.36 Build 152435 by Oracle

VirtualBox 6.1.36 Build 152435 by Oracle
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VirtualBox is a general-purpose full virtualizer for hardware. Targeted at server, desktop and embedded use, it is now the only professional quality virtualization solution. It is also Open Source Software.  The powerful virtualization product for enterprise as well as home use.

VirtualBox provides are useful for several scenarios: Running multiple operating systems simultaneously. VirtualBox allows you to run more than one operating system at a time.

This way, you can run software written for one operating system on another (for example, Windows software on Linux or a Mac) without having to reboot to use it.

Since you can configure what kinds of “virtual” hardware should be presented to each such operating system, you can install an old operating system such as DOS or OS/2 even if your real computer’s hardware is no longer supported by that operating system.

Software vendors can use virtual machines to ship entire software configurations. For example, installing a complete mail server solution on a real machine can be a tedious task.

With VirtualBox, such a complex setup (then often called an “appliance”) can be packed into a virtual machine. Installing and running a mail server becomes as easy as importing such an appliance into VirtualBox.

In order to run VirtualBox on your machine, you need:

  • Reasonably powerful x86 hardware. Any recent Intel or AMD processor should do.
  • Memory. Depending on what guest operating systems you want to run, you will need at least 512 MB of RAM (but probably more, and the more the better). Basically, you will need whatever your host operating system needs to run comfortably. Plus the amount that the guest operating system needs. So, if you want to run Windows 8.1 on Windows 7, you probably won’t enjoy the experience much with less than 2 GB of RAM. Check the minimum RAM requirements of the guest operating system, they often will refuse to install if it is given less. Sometimes it malfunctions instead. So you’ll need that for the guest alone, plus the memory your operating system normally needs.
  • Hard disk space. While VirtualBox itself is very lean (a typical installation will only need about 30 MB of hard disk space), the virtual machines will require fairly huge files on disk to represent their own hard disk storage. So, to install Windows 8, for example, you will need a file that will easily grow to several 10 GB in size.
  • A supported host operating system. Presently, we support Windows, many Linux distributions, Mac OS X, Solaris and OpenSolaris. Check the user manual of the VirtualBox version you are using which versions are supported.
  • A supported guest operating system. Besides the user manual (see below), up-to-date information is available at “Status: Guest OSes“.

Changes in VirtualBox 6.1.36 (2022-07-20):

  • VMM: Fixed possible Linux guest kernel crash when configuring Speculative Store Bypass for a single vCPU VM
  • GUI: In the storage page of the virtual machine settings dialog, fixed a bug which disrupted mouse interaction with the native file selector on KDE
  • NAT: Prevent issue when host resolver incorrectly returned NXDOMAIN for unsupported queries
  • Audio: General improvements in saved state area
  • Recording: Various fixes for settings handling
  • VGA: Performance improvements for screen updates when VBE banking is used
  • USB: Fixed rare crashes when detaching a USB device
  • ATA: Fixed NT4 guests taking a minute to eject CDs
  • vboximg-mount: Fixed broken write support
  • SDK: Fixed Python bindings incorrectly trying to convert arbitrary byte data into unicode objects with Python 3, causing exceptions
  • API: Fixed an issue when virtual USB mass storage devices or virtual USB DVD drives are added while the VM is not running are by default not marked as hot-pluggable
  • API: Initial support for Python 3.10
  • API: Solaris OS types cleanup
  • Windows host: Fixed regression in 6.1.32 leading to guest hangs when Hyper-V is used
  • Windows host: Fixed possible issues with saving and restoring VM state when using Hyper-V/NEM mode
  • Linux and Solaris hosts: Allow to mount shared folder if it is represented as a symlink on a host side
  • Linux Host and Guest drivers: Introduced initial support for kernels 5.18, 5.19 and RHEL 9.1
  • Linux Host and Guest drivers: Better support for kernels built with clang compiler
  • Solaris Guest Additions: General improvements in installer area
  • Solaris Guest Additions: Fixed guest screen resize in VMSVGA graphics configuration
  • Linux and Solaris Guest Additions: Fixed multi-screen handling in VBoxVGA and VBoxSVGA graphics configuration
  • Linux and Solaris Guest Additions: Added support for setting primary screen via VBoxManage
  • Linux and Solaris Guest Additions: Fixed X11 resources leak when resizing guest screens
  • Linux and Solaris Guest Additions: Fixed file descriptor leak when starting a process using guest control
  • Linux and Solaris Guest Additions: Fixed guest control executing processes as root
  • Linux Guest Additions: Improved guests booting time by preventing kernel modules from being rebuilt when it is not necessary
  • Windows Guest Additions: Fixed VBoxTray crash on startup in NT4 guests on rare circumstances

Changes in VirtualBox 6.1.34 (2022-04-19):

  • 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

Changes in VirtualBox 6.1.32 (2022-01-18):

  • VMM: Changed the guest RAM management when using Hyper-V to be more compatible with HVCI
  • VMM: Workaround for OS/2 guest unstability on newer AMD CPUs due to a missing TLB flush in OS/2
  • GUI: Fixed keyboard focus loss in rare circumstances when using the mini toolbar in fullscreen mode
  • Audio: Fixed accidental creation of empty debug log file when the OSS audio backend was configured
  • E1000: Fix link status reporting for certain Linux kernels (some Oracle Linux ones, probably more)
  • Unattended installation: Fixed regression introduced in 6.1.28, causing partitioning failure for Windows XP to 10
  • Solaris host: Fixed regression in installer, failed on Solaris 10
  • Solaris host: Fix packaging regression, make vboxshell.py executable
  • Linux host: Fix access to some USB devices, device class was not correctly handled
  • Guest: Fixed wrong mouse position if guest is in text mode
  • Guest Control: Fixed folders copying from host to guest and from guest to host
  • Guest Control: Fixes for UNICODE handling
  • Shared Clipboard: Improved HTML content exchange between X11 and Windows guests and hosts
  • OS/2 Additions: Fixed some issues with extended attributes in the shared folders

Homepage – https://www.virtualbox.org

Currently, Oracle VM VirtualBox runs on the following host operating systems:

  • Windows hosts (64-bit):
    • Windows 8.1
    • Windows 10 RTM (1507 / 2015 LTSB) build 10240
    • Windows 10 Anniversary Update (1607 / 2016 LTSB) build 14393
    • Windows 10 Fall Creators Update (1709) build 16299
    • Windows 10 April 2018 Update (1803) build 17134
    • Windows 10 October 2018 Update (1809 / 2019 LTSC) build 17763
    • Windows 10 May 2019 Update (19H1 / 1903) build 18362
    • Windows 10 November 2019 Update (19H2 / 1909) build 18363
    • Windows Server 2012
    • Windows Server 2012 R2
    • Windows Server 2016
    • Windows Server 2019
  • Mac OS X hosts (64-bit):
    • 10.13 (High Sierra)
    • 10.14 (Mojave)
    • 10.15 (Catalina)

    Intel hardware is required.

  • Linux hosts (64-bit). Includes the following:
    • Ubuntu 18.04 LTS, 19.03 and 19.10
    • Debian GNU/Linux 9 (“Stretch”) and 10 (“Buster”)
    • Oracle Linux 6, 7 and 8
    • CentOS/Red Hat Enterprise Linux 6, 7 and 8
    • Fedora 30 and 31
    • Gentoo Linux
    • SUSE Linux Enterprise server 12 and 15
    • openSUSE Leap 15.1