The first release candidate of VirtualBox 6.1 has been released. VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use.

VirtualBox 6.1 Release Candidate 1 released

Please do NOT use this VirtualBox Beta release on production machines. A VirtualBox Beta release should be considered a bleeding-edge release meant for early evaluation and testing purposes.

You will shortly be able to download the binaries here. Please use sha256sum to compare the hash of the downloaded package with the corresponding hash from this list.

Please do NOT open bug reports at https://www.virtualbox.org/wiki/Bugtracker but use our VirtualBox Beta Feedback forum to report any problems with the Beta. Please concentrate on reporting regressions since VirtualBox 6.0.14.

VirtualBox 6.1 will be a new minor release. Here is an incomplete list of changes since 6.0:
list of changes introduced in Beta 1 can be found here.
list of changes introduced in Beta 2 can be found here.
GUI: Some issues related to mouse integration cursor scaling were addressed (bug #14366), more to go
GUI: Few usability related fixes for export appliance wizard
GUI: Fixed/improved mouse pointer scaling
GUI: Fixed crash in cloud related wizards when accessibility functionality was enabled
GUI: Soft keyboard visual improvements, and fix crash for first use
GUI: Added the missing restriction options for disabling new functionality such as the VISO creator
GUI: More consistent medium selection (both showing known images and allowing to select using the file picker)
Documentation: updated supported host operating systems, added few new manual pages (more to come later)
Virtualization core: Improvements for nested hardware-virtualization on Intel CPUs
VBoxSVGA/VMSVGA: Support YUV2 and related texture formats with hosts using OpenGL (macOS and Linux), which accelerates video playback when 3D is enabled by delegating the color space conversion to the host GPU
VBoxSVGA/VMSVGA: Several drawing fixes for the 3D case
USB: Improvements for EHCI controller implementation
USB: Filter can now specify port path, uniquely identifying a port in a system
NAT Network: Use non-blocking sockets on Linux for accepted incoming connections (port forwarding)
PCnet-ISA: Added new network adapter type, currently CLI only
SMBIOS: Store system UUID in little endian format which is the default for new VMs, while existing VMs stick to the old VirtualBox behavior of storing them in big endian format for backwards compatibility to avoid breaking the activation status of Windows VMs
VBoxSDL frontend: Fixed running on Windows hosts
VBoxManage: show "unrestricted guest" and "nested HW virtualization" CPU features when listing the host information
Shared Clipboard: Implemented experimental support for file transfers for Linux hosts on Windows guests (disabled by default)
Linux host and guest: Support Linux 5.4 (bug #18945)
Linux host and guest: Force disabling of kernel module signing during build (user can do it afterwards)
Windows Guest Additions: Many fixes for drawing problems in the driver for VBoxSVGA
Windows Guest Additions: Fixes for legacy VBoxVGA adapter, restore previously working cases
Windows Guest Additions: Restore VHWA functionality for VBoxSVGA

virtualbox.org • Information