MKVToolNix 24.0.0, free and open-source Matroska software, was released 2 days ago. Here’s how to install it in Ubuntu 18.04, Ubuntu 16.04, Ubuntu 17.10.

MKVToolNix 24.0.0 “Beyond The Pale” release highlights:

• mkvmerge: MP4 reader: improved the detection of edit lists consisting of two identical entries, each spanning the file’s duration as given in the movie header atom.
• mkvmerge: JSON identification: the “display unit” video track property is now reported as ‘display_unit’.
• mkvmerge, mkvextract: AVC/h.264: empty NALUs will now be removed.
• mkvextract: VobSub extraction: empty SPU packets will now be dropped during extraction
• mkvmerge: E-AC-3 parser: fixed determining the number of channels for streams that contain an AC-3 core with dependent E-AC-3 frames.
• Updated Niels Lohmann’s JSON library to v3.1.1.
• Updated pugixml library to v1.9.
• Various bug-fixes.

How to Install MKVToolNix 24.0.0 in Ubuntu:

The official apt repository offers the latest packages for Ubuntu 16.04, Ubuntu 17.10, and Ubuntu 18.04 so far.

Open terminal via Ctrl+Alt+T or by searching it from app launcher. When it opens, do following steps:

1. Run command to add the repository:

sudo sh -c 'echo "deb https://mkvtoolnix.download/ubuntu/ $(lsb_release -sc) main" >> /etc/apt/sources.list.d/bunkus.org.list'

Replace $(lsb_release -sc) with xenial for Linux Mint 18.x. And input your password (no visual feedback while typing) when it prompts and hit Enter.

2. Then install the key:

wget -q -O - https://mkvtoolnix.download/gpg-pub-moritzbunkus.txt | sudo apt-key add -

3. Finally either upgrade the software via Software Updater (Update Manager):

or run command to install the software packages:

sudo apt-get update

sudo apt-get install mkvtoolnix mkvtoolnix-gui

Uninstall:

To remove the repository, launch Software & Updates utility and navigate to Other Software tab.

To remove MKVToolNix, use Synaptic Package Manager or run following command:

sudo apt-get remove --autoremove mkvtoolnix mkvtoolnix-gui