VirtualBox v6.1.4 is released. VirtualBox is a general-purpose full virtualizer for x86/x64 hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software.

VirtualBox v6.1.4 Changelog:
Virtualization core: Fixed a rare issue with ICEBP instruction causing guru meditations on Intel hosts (6.1.0 regression; bug #19171)
Virtualization core: Fixed macOS Catalina guests failing to boot after upgrading to 10.15.2 onwards (bug #19188)
GUI: recent NLS integration and bug fixes for GUI and Qt translation tags
USB: Fix isochronous transfers to the VM for xHCI
Serial: Fix buffer handling, avoiding receiving stale data when the receive queue is flushed (bug #18671)
Serial: Improve host serial port passthrough handling on Windows host
VBoxManage: Restore old --clipboard option for modifyvm command
macOS host: Use hardened runtime and request the needed entitlements, meeting latest notarization rules which also required moving VirtualBoxVM executable
macOS host: Update osxfuse to v3.10.4
Windows host: Update Italian translation of installer
Windows host: Improve shared folder compatibility with POSIX append semantic (bug #19003)
Windows host: Restore the ability to run VMs through Hyper-V, at the expense of performance
Linux guest: Support Linux 5.5 (bug #19145)
Linux guest: Shared folder fix for loopback mounting of images
BIOS: Always report non-ATA disks as ready
BIOS: Report EFI support through DMI table (bug 19144)
VGA BIOS: Reduce stack space usage for INT 10h handlers