GNU Octave 6.1 was released a few days ago with numerous improvements, bug-fixes, and a list of new functions.

Changes in Octave 6.1 include:

• New sorting option "stable" for intersect, setdiff, setxor, union, and unique functions.
• Support for cookies to enable RESTful communication with the web service.
• System web browser can be opened by web function.
• Numerical integration has been improved.
• New format command options: uppercase and lowercase (default).
• Deprecated Qt4 support.
• Completely rewritten of the legend function.
• Updated the axis function and many other graphics backend improvements.
• matlab compatibility improvements.
• Remove deprecated functions and properties.
• Add a list of new functions.

How to Get Octave in Ubuntu:

There’s no PPA repository contains the new release package at the moment of writing.

Before the official Snap package and the community maintained Flatpak package publish the new package, you can download & build GNU Octave from the source tarball: