Block packages to unconstrain pretty-show, see #4073
Block packages to unconstrain pretty-show, see #4073

Daniel-Diaz/stackage,athanclark/stackage,iand675/stackage,peti/stackage,clinty/stackage,stackbuilders/stackage,wereHamster/stackage,int-index/stackage,jonschoning/stackage,asr/stackage,soenkehahn/stackage,massysett/stackage,fpco/stackage,fimad/stackage,michalkonecny/stackage,spencerjanssen/stackage,mstksg/stackage,simonmichael/stackage,mrkkrp/stackage,ethercrow/stackage