VirtualBox

GUI: Updated Catalan translations GUI: Fixed OVF import warning visibility GUI: Added graceful handling of inaccessible VMs Graphics: VMSVGA 3D performance improvements Video Recording: Fixed a hang when stopping recording after a large number of display updates Host: OpenSSL 4.0 build fixes Linux Host: Support for FRED Linux Host and Guest: Improvements in shared clipboard handling in Wayland Linux Guest: Fixed support for RHEL 9.8 kernels

VMM: Avoided querying/setting xcr0 for CPUs without xsave feature when using Windows Hyper-V as the virtualization engine Windows installer: Added support for detecting the Visual C++ runtime via the servicing infrastructure Windows Host: Fixed clipboard handling of Unicode formats Linux Host: Added initial support for kernel 7.2 Linux Guest: Fixed support for updated RHEL 9.8 and 9.9 kernels UEFI: Fixed possible bug check and reboot of Windows 11 when updating Secure Boot DBX entries BIOS: Simplified build prerequisites, NASM 2.16 or later is now usable for everything

Windows Guest: Added DX11 performance improvements and fixes Linux Host: Fixed kernel panic Linux Host and Guest: Fixed various NASM build issues

VMM: Fixed issue when CentOS 10 VM was not booting due to the message "Fatal glibc error: CPU does not support x86-64-v3" Devices/EFI: Fixed booting issue when ARM VM had less than 1024 MiB of RAM assigned USB: Fixed issue when it was not possible to attach USB device to headless VM on Apple Silicon/macOS 26.4.1 Storage: Fixed issue when VIRTIO-SCSI device was not recognized as SSD device by guest system Network: Fixed issue in E1000 emulation code which triggered debug log creation Network: Fixed issue in E1000 emulation code which prevented OS/2 guest from booting Linux Host: Fixed issue when VMs could not be started due to kernel oops Linux Host and Guest: Fixed issue when kernel modules were failing to build with openSUSE 16.0 kernel Linux Host and Guest: Added initial support for kernel 7.1 Linux Host and Guest: Added extra fixes for RHEL 9.8 kernel Linux Host and Guest: Added possibility to build source code using NASM instead of YASM as the assembler Linux Guest Additions: Added initial support for Extended Data Control Protocol for clipboard sharing with Plasma on Wayland guests Linux Guest Additions: Added extra fixes for preventing vboxvideo kernel module build with kernel version 7.0 and newer OS/2 Guest Additions: Fixed issue when Shared Folders automount and clipboard sharing stopped working

VMM: Fixed issue which caused a Guru Meditation with VERR_IEM_IPE_4 if the guest was trying to execute the wrong hypercall instruction but injected a UD exception instead NAT Network: Fixed issue when internal DNS server could not be reached Graphics: Fixed issue when mouse cursor did not change shape by context in Ubuntu 25.10 / Wayland Main: Fixed crash on FreeBSD 16.0 shutdown with multiple devices attached to LSI Logic SAS controller IPRT: Merged Github pull request 503 (fix: infinite loop in vsscanf whitespace processing). github-merge-author: lachlanharrisdev Unattended: General improvements Linux Host: Added initial support for kernels 6.19 and 7.0 Linux Host: Added support for guest time accounting Linux Host and Guest: Introduced additional fixes for RHEL 10.1 and 10.2 kernels Linux Host and Guest: Added support for UEK9 kernel on Oracle Linux 9 Linux Host and Guest: Added improvements to make 'rcvboxdrv/rcvboxadd setup' and installation process faster Linux Guest Additions: Deprecated vboxvideo kernel module for kernels 7.0 and newer; please consider using VMSVGA graphics or vboxvideo module which comes with Linux kernel or provided by your Linux distribution if guest running kernel 7.0+; vboxvideo will still be available for older kernels Linux Guest Additions: Fixed issue when clipboard sharing was not possible in combination of Wayland guest and Windows host Linux Guest Additions: Fixed issue when last character was not pasted into Windows host clipboard when copying from Wayland guest Windows Guest: Fixed issue when Windows 11 guest experienced BSOD - DRIVER_OVERRAN_STACK_BUFFER UEFI: Fixed errors with secure boot certificate updates and Windows 11 guests DMI: Fixed issue when 0.0 value was provided for the BIOS release and BIOS firmware version numbers so Windows did not populate the registry keys under HKLM\HARDWARE\System\BIOS which some components rely on

VMM: Fixed issue when VM process was crashing during RHEL5 guest boot VMM: Fixed issue when VMX nested-guest VM-entry was checking the wrong VM-execution control bit in the virtual VMCS VMM: Fixed issue when VM was crashing on start after recent Windows update (KB5066793) VMM: Fixed issue when guest process was crashing inside Windows guest on AMD system VMM: Fixed issue when VM process was crashing on Windows host VMM: Fixed Guru Meditation issue on VM start on Windows host VMM: Fixed issue when VM was failing to shut down on Windows 11 ARM host VMM: Fixed issue when booting Red Hat 6.1 i386 was failing on AMD Zen4 Windows 11 Pro host GUI: Added fixes for full-screen support in multi-monitor case GUI: Fixed issue when downloading update files was failing GUI: Fixed issue when list of VMs was not properly displayed in Resource Manager tab GUI: Fixed issue when with switching between light/dark modes on macOS host GUI: Fixed issue when storage controller type list was displayed incorrectly DevACPI: Fixed issue with file path key names for Dsdt/Ssdt DevACPI: Added change to make OemTabId configurable using AcpiOemTabId option NAT: Fixed issue with high CPU usage when VM was using NAT RDP: The VRDP server was moved to the open source base package SmartCard: The USB smartcard emulation was moved to the open source base package VM encryption: The disk and VM encryption feature was moved to the open source base package VBoxManage: Fixed issue when VBoxManage was not displaying interface name for FreeBSD guests VBoxManage: Fixed issue when VM could not be started from command line in some circumstances Main: Improved filename check for drag-and-drop operations Linux Host: Fixed issue when vboxautostart-service did not start corresponding VMs on system boot Linux Host: Fixed issue when VM was not able to start if host was running realtime kernel configuration Guest Additions: Fixed installation on Windows XP 64-bit guests Guest Additions: Fixed issue when guest process was crashing due to low memory in the system Linux Guest Additions: Fixed build issue for kernels 2.5.52 and older Linux Guest Additions: Fixed issue when VBoxService was not started due to abandoned pid file Linux Guest Additions: Fixed issue when user session services were not started on old Linux distributions Linux Guest Additions: Fixed check if kernel modules were loaded for old Linux distributions Linux Guest Additions: Fixed issue when Guest Additions processes were left running on system reboot or shutdown Linux Guest Additions: Added additional fixes for RHEL 9.8, 10.1 and 10.2 kernels Linux Guest Additions: Added initial support for kernel 6.19 BIOS: Fixed issue with booting VM using IPXE

GUI: Fixed VirtualBox VM Manager crash when host was resuming from sleep GUI: Updated native language support for Traditional Chinese, Greek, Swedish, Hungarian and Indonesian translations NAT: Fixed issue when multiple port forwarding rules affected NAT functionality Linux host and guest: Introduced initial support for kernel 6.18 Linux Guest Additions: Introduced additional fixes for RHEL 9.6 and 9.7 kernels Windows Guest Additions: Introduced additional fixes for issue when installation was failing in Windows XP SP2 guest

VMM: Fixed issue when VM was not able to start on Windows Arm host GUI: Fixed VBox Manager crash when some VM has a lot of snapshots GUI: Fixed issue when error notifications could not be displayed on snapshot deletion GUI: Fixed VBox Manager crash while attempting to show error notifications too early GUI: Fixed VBox Manager crash while removing all VMs from VM list GUI: Fixed VBox Manager freeze on Linux hosts at startup or while attempting to add a VM GUI: Fixed VBox Manager layout bug with too strict size constraints GUI: Updated VBox VM network status-bar indicator tooltip (IP address) on guest additions change GUI: Added possibility for Windows 11 host to use legacy light/dark themes from Windows 10 GUI: Forcing xdgdesktopportal platform theme on Linux when org.freedesktop.portal.Desktop DBus service is available Network (NAT, DNS): Fixed potential issue where a nameserver in the 127/8 network could have been passed to the guest Network: Added a new experimental type of e1000 adapter (82583V). It requires the ICH9 chipset, since MSIs are not supported by PIIX3 USB: Fixed passing through USB devices exposed over USB/IP USB Webcam: The virtual USB webcam is now part of the open source base package Arm host: Improved high CPU usage for idling VMs Linux host: Use KVM APIs on kernel 6.16.0 and newer for acquiring/releasing VT-x macOS host: Fixed internal networking, including NAT networks on macOS (7.2.0 regression)

GUI: Moved global and VM tools from hamburger menus to global tools taskbar (vertically on the left) and the VM tools tabs (horizontally above the right hand panel) to make them easier to reach Windows/Arm host: Arm virtualization of VMs added, in the unified Windows installer package Arm host: Virtualization of Windows 11/Arm VMs Linux host: Video decoding acceleration when 3D is enabled Windows/Arm guest: Guest additions for new OS type Windows 11/Arm macOS Arm host: Experimental 3D acceleration support using DXMT, removing the previous non working solution using DXVK on top of MoltenVK. 3D acceleration is not supported on macOS hosts using Intel CPUs anymore. Storage: The NVMe storage controller emulation is now part of the open source base package Arm VMs: Note that the saved state of Arm VMs from VirtualBox 7.1 is incompatible with VirtualBox 7.2, so please shut down such VMs in saved state before upgrading to 7.2 (snapshots with associated saved state created with 7.1 will no longer work with 7.2) VMM: Improved x86_64 and Arm CPU feature reporting when using Windows Hyper-V as the virtualization engine VMM: Added xsave/xrestor instruction handling when using Windows/x86_64 Hyper-V as the virtualization engine, offering the x86_64-v3 instruction set extensions (including AVX and AVX2) on recent CPUs VMM: Fixed issue when X86_64-v3 features were not passed to the guest VMM/HM: Fixed Nested Virtualization feature on Intel CPUs GUI: Fixed VBox Manager crash while removing all VMs from VM list GUI: Fixed VBox Manager freeze on Linux hosts at startup or while attempting to add a VM GUI: Fixed VBox Manager layout bug with too strict size constraints GUI: Updated VBox VM network status-bar indicator tooltip (IP address) on guest additions change GUI: Added possibility for Windows 11 host to use legacy light/dark themes from Windows 10 GUI: Forcing xdgdesktopportal platform theme on Linux when org.freedesktop.portal.Desktop DBus service is available GUI: Fixed a bug in clone VM wizard which made impossible to include snapshots in clone result GUI: Polished Preferences and Settings pages, NLS fixing GUI: Improved handling of keyboard LEDs in the Soft Keyboard GUI: Added checkbox for making a Shared Folder global to all VMs GUI: Removed IO-APIC from Arm VM settings Network (NAT, DNS): Fixed potential issue where a nameserver in the 127/8 network could have been passed to the guest Network: Added a new experimental type of e1000 adapter (82583V). It requires the ICH9 chipset, since MSIs are not supported by PIIX3 USB: Fixed passing through USB devices exposed over USB/IP USB Webcam: The virtual USB webcam is now part of the open source base package Arm host: Improved high CPU usage for idling VMs Linux host: Use KVM APIs on kernel 6.16.0 and newer for acquiring/releasing VT-x macOS host: Fixed internal networking, including NAT networks on macOS (7.2.0 regression) macOS host: Fixed VM crash on Arm host on VM start Graphics: Avoid assertion when guest tries to use VMSVGA 3D functions when the feature is disabled Audio: Fixed crash in rare circumstances NAT: Multiple fixes and improvements, for example better DNS server handling, saving of the VM settings and generating a boot file name which stays within the length limit NAT Network: Use the (almost) same code as for NAT, unifying behavior and features NAT: Fixed possible crash in rare circumstances when no nameservers could be detected in the host system Storage: Fixed corruption of VMDK images when resizing Video Recording: Fixed frame synchronization, a small memory leak and other bugs TPM: Fixed save state load failures TPM: Fixed TPM device not working with certain guests Arm VMs: ACPI now available API/Unattended: Added explicit unattended installation support for Oracle Linux 10 API and VBoxManage: Added functionality to define global Shared Folders for all VMs API: Fixed issue when OVF/OVA import resulted in a broken VM on Arm API: Fixed issue when exporting a VM which had an