VirtualBox v6.1.8 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 v6.1.6 Changelog:
GUI: Fix several layout and mouse position handling bugs with soft keyboard
GUI: Fixed crash on last VM removed (6.1.4 regression; bug #19568, #19525, #19506, #19490, #19481, #19397)
GUI and API: Allow renaming VMs which are in saved state
Serial: Fixed slow guest output when using the TCP server mode without anyone being connected
Guest Additions: Restored 'VBoxClient--checkhostversion' functionality (6.1.0 regression; bug #19470)
Guest Additions: Fixed resizing and multi monitor handling for X11 guests. (6.1.0 regression; bug #19496)
Guest Additions: Build problems fix with Oracle Linux 8.2 (Red Hat compatible kernel) / Red Hat Enterprise Linux 8.2 / CentOS 8.2 (bug #19391)
Guest Control/VBoxManage: Fixed handling of multiple environment variables supplied to 'VBoxManage guestcontrol VM run' (6.1.6/6.0.20 regression; bug #19518)
Guest Control: Implemented support for long(er) command lines
Guest Control: Various stability improvements

Download: VirtualBox v6.1.8
Source: Here