Guest Additions: Introduced generic improvements in Shared Clipboard area.

DnD: Now shows the current process integrity level for VMs on Windows hosts.

Mouse Integration: Guest was provided with extended host mouse state (bug #21139).

VBoxManage: Added missing -directory switch for guestcontrol mktemp command.

Storage: Fixed I/O errors with the VirtioSCSI controller when the host I/O cache is enabled (bug #19717).

NVMe: Fixed VM crashing during startup if there are more than 30 disks attached to an NVMe controller (bug #21084).

VirtioSCSI: Fixed hang when shutting down the VM if the virtio SCSI controller is used (bug #21144).

GUI: Fixed issue when incorrect macOS type was chosen on VM creation (bug #21315).

VMM: Fixed reporting POPCNT when Hyper-V is used (bug #21066).

VirtualBox 6.1.42 (released January 17 2023)

Linux Guest Additions: Fixed vboxvideo build issue with RHEL 8.7, 9.1 and 9.2 kernels (bugs #21446 and #21450).

Linux Guest Additions and host drivers: Introduce initial support for kernel 6.3.

Linux Guest Additions and host Installer: Improved detection if system is running systemd as the init process.

E1000: Fixed possible guru meditation when changing network attachments (bug #21488).

The following items were fixed and/or added: This page lists all changes of the VirtualBox 6.1 Downloads.

Optimizer 15.4 download the last version for mac