VirtualBox 6.1.34

VirtualBox 6.1.34 (released March 22 2022)

This is a maintenance release. The following items were fixed and/or added:

• 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 (bug #20726)
• Storage: Fixed a potential hang during disk I/O when the host I/O cache is disabled (bug #20875)
• NVMe: Fixed loading saved state when nothing is attached to it (bug #20791)
• 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 (bug #20740)
• 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 (bug #20714)
• VBoxManage: Fix documentation of "usbdevsource add" (bug #20849)
• Networking: General improvements in IPv4 and IPv6 area (bug #20714)
• 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 (bug #20792)
• 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 (bug #20877)
• 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 (bug #20780)
• EFI: Fixed booting from FreeBSD ISO images (bug #19910)

VirtualBox 6.1.32 (released January 18 2022)

This is a maintenance release. The following items were fixed and/or added:

• VMM: Changed the guest RAM management when using Hyper-V to be more compatible with HVCI (bug #20627 and #20694)
• VMM: Workaround for OS/2 guest unstability on newer AMD CPUs due to a missing TLB flush in OS/2 (bug #20625)
• 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 (bug #20769)
• 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 (bug #20721)
• 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 (bug #19453)

VirtualBox 6.1.30 (released November 22 2021)

This is a maintenance release. The following items were fixed and/or added:

• VMM: Fixed 6.1.28 regression preventing VMs starting when using Hyper-V mode on Windows 10
• GUI: Fixed inability to complete First Run wizard after browsing for an external image
• GUI: Fixed crash on macOS Big Sur while browsing for an external image from First Run wizard
• GUI: Fixed bug on Windows with inability to save taken screenshot under a folder with native name (bug #15561)
• GUI: Fixed bug on X11 with drag and drop initiated on single mouse click in VM storage settings
• GUI: Fixed settings check on machines not supporting hardware virtualization
• GUI: Non critical media related errors should not cause modal pop-up error messages
• Host-only networking: Fixed crash parsing /etc/vbox/networks.conf
• DVD: Fixed drive lock handling across VM reset
• VBoxHeadless: Fixed crash when running on macOS Monterey (bug #20636)
• VBoxManage: Fixed incorrect help text for "hostonlyif"
• vboximg-mount: Error message if no image is specified
• macOS host: fix multiple bugs specific to macOS Monterey in installer and startup of kernel extensions
• macOS host: show message indicating the unsupported CPU on M1 based Macs and abort installation
• Linux host: For all distribution specific packages (deb/rpm format) fix the packaging so that the feature for unattended installation of guest OSes works
• Linux host and guest: Introduced initial support for kernel 5.16
• Shared Clipboard: Improved communication between guest and host when guest has no clipboard data to report
• Linux Guest Additions: Allow running only one VBoxDRMClient instance (bug #19373)

Für Windows 11 ist nun Passthrough von TPM 2.0 an die VM möglich.

VirtualBox 6.1.28 (released October 19 2021)

This is a maintenance release. The following items were fixed and/or added:

• 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

VirtualBox 6.1.26 (released July 28 2021)

This is a maintenance release. The following items were fixed and/or added:

• VMSVGA: fixed VM screen artifacts after restoring from saved state (bug #20067)
• Storage: Fixed audio endianness for certain CUE sheet CD/DVD images.
• VBoxHeadless: Running VM will save its state on host shutdown
• VBoxManage: Fix OS detection for Ubuntu 20.10 ISO with unattended install
• Linux Additions: Fixed mouse pointer offsetting issue for VMSVGA graphics adapter in multi-monitor VM setup (6.1.24 regression)

VirtualBox 6.1.24 (released July 20 2021)

This is a maintenance release. The following items were fixed and/or added:

• Storage: Fixed starting a VM if a device is attached to a VirtIO SCSI port higher than 30 (bug #20213)
• Storage: Improvement to DVD medium change signaling
• Serial: Fixed a the guest missing interrupts under certain circumstances (6.0 regression, bug #18668)
• Audio: Multiple fixes and enhancements
• Network: Fixed connectivity issue with virtio-net after resuming VM with disconnected link
• Network: Fixed UDP GSO fragmentation issue with missing 8 bytes of payload at the end of the first fragment
• API: Fixed VM configuration for recent Windows Server versions
• Extension Pack: Fixed issues with USB webcam pass-through on Linux
• Host and guest driver: Fix small memory leak (bug #20280)
• Linux host and guest: Support kernel version 5.13 (bug #20456)
• Linux host and guest: Introduce support for SUSE SLES/SLED 15 SP3 kernels (bug #20396)
• Linux host: Installer will not attempt to build kernel modules if system already has them installed and modules versions match current version
• Windows host: Fix DLL signature validation to work better with an invalid certificate
• Guest Additions: Fixed crash on using shared clipboard (bug #19165)
• Linux Guest Additions: Introduce support for Ubuntu specific kernels (bug #20325)
• Solaris guest: Increased default memory and disk sizes
• EFI: Support network booting with the E1000 network controller emulation
• EFI: Stability improvements (bug #20090)

VirtualBox 6.1.22 (released April 29 2021)

This is a maintenance release. The following items were fixed and/or added:

• VMM: Improved performance of 64-bit Windows and Solaris guests when Hyper-V is used on recent Windows 10 hosts
• VMM: Fixed frequent crashes of 64-bit Windows Vista and Server 2003 guests when Hyper-V is used
• GUI: Fixed regression where user was not able to save unset default shortcuts (bug #20305)
• Storage: Fixed regression in LsiLogic SAS controller emulation caused VM crash (bug #20323)
• Linux Guest Additions: Fixed issue when it was not possible to run executables from mounted share (bug #20320)

VirtualBox 6.1.20 (released April 20 2021)

This is a maintenance release. The following items were fixed and/or added:
This is a maintenance release. The following items were fixed and/or added:

• VMM: Fixed extremely poor VM performance depending on the timing of various actions (regression in 6.1.0)
• VMM: Fixed guest OS hanging under certain circumstances when Hyper-V is present (bug #20141)
• VMM: Fixed Guru Meditation error when using a nested hypervisor under certain circumstances (bug #20175)
• VMM: Fixed a SMAP related host panic affecting Solaris 11.4 systems with Intel Haswell CPUs or later (bug #16068)
• OCI: Add cloud-init support for export to OCI and for OCI instance creation
• GUI: Fixed "Delete all files" leaving behind Logs/VBoxUI.log (bug #20235)
• Audio: Multiple fixes and enhancements
• Audio: Fixed detection of duplex audio devices on macOS (5.0 regression; bug #20171)
• Network: Fixed link status reporting for "not attached" adapters
• Network: Fixed connectivity issues with e1000 in OS/2 guests (6.1.18 regression; bug #20148)
• Network: Fixed VxWorks e1000 driver compatibility issue (bug #20182)
• Network: Fixed GUI checks for port forwarding rules rejecting IPv6 with "Nat Network" (bug #14847)
• DHCP: Don't crash in the presence of fixed address assignments (bug #20128)
• Serial: Fixed possible VM hang when using the a serial port in disconnected mode (bug #19854)
• Webcam: Fixed interoperability with v4l2loopback and fixed a crash under certain circumstances (bug #20176)
• NVMe: Fixed sporadic Windows VM hang or reboot on high CPU load
• VBoxManage: Allow changing network adapter attachment of a saved VM with "modifyvm"
• vboximg-mount: Fix for argument processing to honor the '--root' option (6.0 regression; bug #20073)
• Linux host and guest: Support kernel versions 5.11 (bug #20198) and 5.12
• Linux host: Maximum MTU size increased to 16110 for host-only adapters on Linux kernels 4.10+ (bug #19122)
• Linux Guest Additions: Fix vboxvideo module compilation for kernel version 5.10.x
• Linux Guest Additions: Fixed kernel module build for RHEL 8.4 beta and CentOS Stream (bug #20289)

VirtualBox 6.1.18 (released January 19 2021)

This is a maintenance release. The following items were fixed and/or added:

• Nested VM: Fixed hangs when executing SMP nested-guests under certain conditions on Intel hosts (bug #19315, #19561)
• OCI integration: Cloud Instance parameters parsing is improved on import (bug #19156)
• Network: UDP checksum offloading in e1000 no longer produces zero checksums (bug #19930)
• Network: Fixed Host-Only Ethernet Adapter DHCP, guest os can not get IP on host resume (bug #19620)
• NAT: Fixed mss parameter handing (bug #15256)
• macOS host: Multiple optimizations for BigSur
• Audio: Fixed issues with audio playback after host goes to sleep (bug #18594)
• Documentation: Some content touch-up and table formatting fixes
• Linux host and guest: Support kernel version 5.10 (bug #20055)
• Solaris host: Fix regression breaking VGA text mode since version 6.1.0
• Guest Additions: Fixed a build failure affecting CentOS 8.2-2004 and later (bug #20091)
• Guest Additions: Fixed a build failure affecting Linux kernels 3.2.0 through 3.2.50 (bug #20006)
• Guest Additions: Fixed a VM segfault on copy with shared clipboard with X11 (bug #19226)
• Shared Folder: Fixed error with remounting on Linux guests