After a long break on fish-guix I have released version 0.1.2.1 of fish-guix today. This release includes basic completions for the new 'guix weather' command, some minor fixes. The license has been changed from CC0-1.0 to BSD-3.
You can download it from https://d.n0.is/releases/fish-guix/.
The sha512sum for the files are:
I will address the path issue for Fish vendor plugins in Guix as soon as I find time to do it.