Hello, librmagick-ruby was FTBS and blocking the imagemagick transition due to a bug in imagemagick 8:6.6.9.7-2. Now that version 8:6.6.9.7-3.1 is slowly spreading into unstable, a rebuild for the librmagick failed binNMU should get the transition going. If I understand wanna-build.txt correctly, it goes: dw librmagick-ruby_2.13.1-2+b1 . ALL . -m "libmagickcore4 (>= 8:6.6.9.7-3.1) " Many thanks, Vincent