I am trying to update my Magit install.
The Magit manual has install instructions on https://magit.vc/manual/magit/Installing-from-an-Elpa-Archive.html#Installing-from-an-Elpa-Archive
M-x package-install does not list "magit":
M-x magit-version says "2.11.0".
M-x list-packages lists "magit 2.12.1":
According to this post Install package: magit (via package.el) only shows *Completions* package-install is not a valid option if Magit is already installed.
How to update a Magit install?
I am running Spacemacs v.0.200.9