Hi There is a version of PackageInfo that makes postscripts and preambles work in Squeak 3.9 http://bugs.impara.de/view.php?id=5715 Please note the parent issue: http://bugs.impara.de/view.php?id=3363 for backports of more Impara changes for MC and MCC who make MCC work in Squeak 3.9 among others Cheers Philippe