- Update to 1.4.0:
* Package management
* New ‘guix home’ command, for home environment management
* New ‘guix shell’ command, the successor to ‘guix environment’
* New ‘guix system edit’ command, to edit services
* New ‘deb’ format for the ‘guix pack’ command
* New ‘guix import minetest’ command, to import Minetest extensions
* New ‘guix import elm’ command, to import Elm packages
* New ‘guix import egg’ command, to import CHICKEN egg packages
* New ‘guix import hexpm’ command, to import Erlang and Elixir packages
* New 'guix style' command, to auto-format package definitions
* ‘guix import texlive’ rewritten to use the TLPDB as its source
* ‘guix import elpa’ now supports the non-GNU ELPA repository
* ‘guix import pypi’ can now import a specific version
* ‘guix import cran’ can now import a specific version
* New updater (see ‘guix refresh’): ‘generic-git’
* ‘guix graph’ has a new ‘--max-depth’ option
* ‘guix deploy’ has a new ‘--execute’ option
* ‘guix shell’ has a new ‘--emulate-fhs’ option
* ‘guix shell’ has a new ‘--symlink’ option
* ‘--with-commit’ option now accepts strings returned by ‘git describe’
* ‘--with-source’ option now applied recursively
* Align tabular data output by commands like ‘guix package --list-available’
* Improved ‘guix import go’ importer via a new PEG parser
* Improved Software Heritage downloader
* New 'web.archive.org’ download fall-back
* Various performance enhancements
* New ‘--tune’ package transformation option
* ‘guix refresh’ ‘-L’ option is repurposed to ‘load-path’ modification
* ‘guix system image’ supersedes the ‘docker-image’ sub-command