VirtualBox v5.2.30 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 v5.2.30 Changelog:
Core: fix saved state resume failures (bugs #18265 and #18331)
API: partial fix for dealing with VM config conflicting with other VMs related to medium UUIDs, now correctly flags VM as inaccessible (bug #17908)
Solaris guests: fix an error message from VBoxClient (bug #18428)

Download: VirtualBox v5.2.30
Source: Here