As outlined in the blog post, Grav 0.9.23 fixes a problem with the bin/gpm selfupgrade command that got accidentally broken in Grav 0.9.21 and 0.9.22.
As outlined in the blog post, Grav 0.9.23 fixes a problem with the bin/gpm selfupgrade command that got accidentally broken in Grav 0.9.21 and 0.9.22.