justl is a major mode for driving justfiles. Justfiles are way to save and run project specific commands. Think it of like Makefile, but purely focused on command runner and not for a build system.
This mode gives the ability to execute the just recipies from within the editor itself.
The new release with the changelog details here: [https://github.com/psibi/justl.el/blob/master/Changelog.org#06](https://github.com/psibi/justl.el/blob/master/Changelog.org#06)