Oracle VM VirtualBox 5.1.18 was released 15th March, 2017. Oracle VM VirtualBox 5.1.20 was released 18th April, 2017. Oracle VM VirtualBox 5.1.22 was released 28th April, 2017. Oracle VM VirtualBox 5.1.24 was released 18th July, 2017. Oracle VM VirtualBox 5.1.26 was released 27th July, 2017. Oracle VM VirtualBox 5.1.28 was released 14th September, 2017. Oracle VM VirtualBox 5.1.30 was released 16th October, 2017. Oracle VM VirtualBox 5.2.0 was released 18th October, 2017. Oracle VM VirtualBox 5.2.2 was released 11th November, 2017. Oracle VM VirtualBox 5.2.4 was released 19th December, 2017. Oracle VM VirtualBox 5.1.32 was released 16th January, 2018. Oracle VM VirtualBox 5.2.6 was released 16th January, 2018. Oracle VM VirtualBox 5.1.34 was released 27th February, 2018. Oracle VM VirtualBox 5.2.8 was released 27th February, 2018. Oracle VM VirtualBox 5.1.36 was released 17th April, 2018. Oracle VM VirtualBox 5.2.10 was released 17th April, 2018. Oracle VM VirtualBox 5.2.12 was released 9th May, 2018. Oracle VM VirtualBox 5.2.14 was released 2nd July, 2018. Oracle VM VirtualBox 5.2.16 was released 17th July, 2018. Oracle VM VirtualBox 5.2.18 was released 14th August, 2018. Oracle VM VirtualBox 5.2.20 was released 16th October, 2018. Oracle VM VirtualBox 5.2.22 was released 9th November, 2018. Oracle VM VirtualBox 6.0 was released 18th December, 2018. Oracle VM VirtualBox 6.0.2 and 5.2.24 were released 15th January, 2019. Oracle VM VirtualBox 6.0.4 and 5.2.26 were released 28th January, 2019. Oracle VM VirtualBox 6.0.6 and 5.2.28 were released 16th April, 2019.Oracle VM VirtualBox 6.0.8 and 5.2.30 were released 14th May, 2019.Oracle VM VirtualBox 6.0.10 and 5.2.32 were released 16th July, 2019.
Oracle VM VirtualBox 6.0.12 was released 3rd September, 2019.Oracle VM VirtualBox 6.0.14 and 5.2.34 were released 15th October, 2019.Oracle VM VirtualBox 6.1.0 was released 1st December, 2019.Oracle VM VirtualBox is available as Open Source or pre-built Binaries for Windows, Linux, Mac OS X and Solaris.
For example, you can run Windows and Linux on your Mac, run Linux and Solaris on your Windows PC, or run Windows on you Linux systems. And "Virtualization Software" means that you can create and run multiple Virtual Machines, running different operating systems, on the same computer at the same time. "Cross-platform" means that it installs on Windows, Linux, Mac OS X and Solaris x86 computers.