VirtualBox 6.1.4 (released February 19 2020)

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

• 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