Hydra finished evaluating the imagemagick-updates branch on x86_64-linux: https://hydra.gnu.org/eval/109433?full=1&compare=master#tabs-now-fail
It's a surprisingly small number of failures! But, I wonder how many packages that use ImageMagick use the "command-line API" and actually test it. So, I think we should carefully check each package that uses ImageMagick directly to see if they are ready. We can check their commit logs and bug trackers for anything related to ImageMagick. It's a short list, and I'll start looking into a2ps and awesome: $ guix package -s . | recsel -e "dependencies ~ 'imagemagick'" -p name,location name: a2ps location: gnu/packages/pretty-print.scm:40:2 name: awesome location: gnu/packages/wm.scm:498:2 name: dblatex location: gnu/packages/docbook.scm:174:2 name: discrover location: gnu/packages/bioinformatics.scm:2045:2 name: emacs-w3m location: gnu/packages/emacs.scm:746:2 name: enblend-enfuse location: gnu/packages/photo.scm:222:2 name: fbida location: gnu/packages/pdf.scm:698:2 name: lilypond location: gnu/packages/music.scm:584:2 name: perl-image-magick location: gnu/packages/imagemagick.scm:120:2 name: python-matplotlib location: gnu/packages/python.scm:3605:2 name: python2-matplotlib location: gnu/packages/python.scm:3736:4 name: skribilo location: gnu/packages/skribilo.scm:32:2 name: synfig location: gnu/packages/animation.scm:60:2