1.3 What version should I use?

In general, you will find the latest version on http://www.octave.org/download.html. It is recommended to use the “testing” version of octave for general use, and the “development” version if you want the latest features.

A list of user-visible changes since the last release is available in the file ‘NEWS’. The file ‘ChangeLog’ in the source distribution contains a more detailed record of changes made since the last release.