VirtualBox is an application installed on an existing host operating system; within this application, additional operating systems can be loaded and run, each with its own virtual environment. For example, several Linux distributions can be hosted on a single machine running Windows XP; likewise, XP and Vista can run on a machine running Linux, and so on. There is a free for personal or evaluation use proprietary version and a GNU General Public License (GPL) version.
Changes in 7.1.6:
- VMM: Fixed issue when Windows 11 24H2 guest was experiencing BSOD in rare conditions
- GUI: Improved representation of disabled preferences contents (mask+font) when it is shown with certain Linux themes
- GUI: Fixed issue when seamless mode was not properly enabled or disabled in appropriate time according to GA status events
- GUI: Fixed rare crash on macOS hosts on application exit
- GUI: Fixed small 7.1.4 regression in preferences windows when filter editor was not in focus
- GUI: Introduced improvements in Advanced properties/settings dialog area
- GUI: Restored missing functionality to change bridged adapter at VM startup if current one wasn't found
- GUI: Fixed issue when Show action duplicates were created on macOS host in attempt to switch between running and powered off VMs
- GUI: Fixed regression when 3D acceleration check-box was not available for certain guest OS and graphical controller types
- GUI: Restored lost Help button for preferences windows on macOS
- GUI: Restored lost Help button shortcuts for certain windows
- GUI: Fixed issue when error message was shown when VM was starting in full-screen mode
- VirtioNet: Fixed issue with re-negotiation of features after reset
- Graphics: Fixed issue with Linux guest screen flickering when guest was using VMSVGA graphics adapter
- VBoxManage: Added the ability to export and import VMs which contain an NVMe storage controller
- VBoxManage: Fixed issue when it was not possible to set graphics controller to "QemuRamFB" using modifyvm command (bug #22232)
- Main: Fixed issue when specifying custom proxy server in GUI settings had no effect
- Network: Added changes which replaced NAT engines with libslirp
- Guest OSes: Added OS type for Windows Server 2025
- Linux guest and host: Added more fixes for UBSAN related warnings (bug #21877)
- Linux guest and host: Added initial support for RHEL 9.6 kernel
- Windows guests and host: Re-implemented driver installation
- Solaris host: Removed the VirtualBox GUI shared objects libqgtk2styleVBox.so and libqgtk2VBox.so from the Solaris installation packages as they depend on GTK2 which is EOL and no longer supported
- Linux Guest Additions: Introduced initial support for kernel 6.13
- Linux Guest Additions: vboxvideo: Added improvement for kernel 6.4 support and fixed issue when graphics could be frozen when using VBoxVGA adapter
- Linux Guest Additions: Introduced additional fixes for kernel 6.12 in vboxvideo
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