racle has released VirtualBox 6.1 Maintenance Release 2.
Oracle VM VirtualBox 6.1.2 release includes improvements and regression fixes for Oracle VM VirtualBox 6.1.
Notable bug fixes are:
Storage: fixed use of encrypted disks with snapshots involved, improved performance of virtio-scsi and added read-only support for compressed clusters in QCOW2 images
Linux Hosts: Support Linux Kernel 5.5 (still working on Guest-Additions support)
Linux Guests: improve resize and multi-monitor handling for VMs using VMSVGA
Security Fixes: this maintenance release includes "Oracle Critical Patch Updates" January, 2020; further details related to CPU January, 2020 are available here.
Maintenance releases for 6.0 and 5.2, respectively:
including the "Oracle Critical Patch Updates for January 2020" are also available.
The Oracle VirtualBox Team