Oracle Virtualbox 6.1.12 was released a day ago as the sixth maintenance release for the 6.1 series.

Oracle Virtualbox 6.1.12 release highlights:

• UI fixes for Log-Viewer search-backward icon
• Fixes and improvements for the BusLogic SCSI controller emulation
• Regression fixes in FIFO data handling
• Experimental new type of network attachment, allowing local VM to act as if it was run in cloud
• Improved resource management in the guest control functionality
• Fixed command option parsing for the “snapshot edit” sub-command
• Fix crash of ‘VBoxManage internalcommands repairhd’ when processing invalid input.
• Guest Additions:
  • New experimental 3D GLX graphics output
  • Fixed releasing texture objects, which could cause guest crashes
  • Fixed writes to a file on a shared folder not being reflected on the host when the file is mmap’ed and the used Linux kernel is between version 4.10.0 and 4.11.x
  • Fixed the shared folder driver on 32bit Windows 8 and newer returning an error when flushing writes to a file which is mapped into memory under rare circumstances
  • Improve resize coverage for VMSVGA graphics controller
  • Fix issues detecting guest additions ISO at runtime
  • Fixed German translation encoding for Windows GA installer

How to Install VirtualBox 6.1.12 in Ubuntu:

The official .deb packages are available for download at the link below:

Download VirtualBox

If you’ve already added the Oracle apt repository for Linux, install the updates simply via Software Updater.

Or add the apt repository by running following commands one by one:

1. Open terminal (Ctrl+Alt+T), paste below command and run to add the repository:

sudo sh -c 'echo "deb [arch=amd64] https://download.virtualbox.org/virtualbox/debian $(lsb_release -sc) contrib" >> /etc/apt/sources.list.d/virtualbox.list'

For Linux Mint, you HAVE to replace $(lsb_release -sc) in the command with bionic for Mint 19.x, or xenial for Mint 18.x, or focal for Linux Mint 20.

2. Then download and install the repository key via command:

wget -q https://www.virtualbox.org/download/oracle_vbox_2016.asc -O- | sudo apt-key add -

3. Refresh system package cache via command:

sudo apt update

4. Finally install Virtualbox 6.1:

sudo apt install virtualbox-6.1

Uninstall:

To remove it, simply run command in terminal:

sudo apt remove --autoremove virtualbox-6.1

And go to Software & Updates -> Other Software to remove apt repositories.