Hope we can sort this out, more and more fixes suffer from the wrong testing failures and nothing new gets integrated. 12996 <https://pharo.fogbugz.com/default.asp?12996>ClassTest>>#testRenaming leaves dirty package Dummy-Tests-Class behind 12995 <https://pharo.fogbugz.com/default.asp?12995> CI ClassTest>>#testRenaming is failing available options: 1. skip test 2. test for nil in RPackageOrganizer>>#systemClassRenamedActionFrom: before rPackage updateDefinedClassNamed: oldName withNewName: newName. 3. review changes for issue 12601 (fix RPackageOrganizer>>#systemCategoryRemovedActionFrom: ann, to unregister packages even if there are MCPackages (don't know about the side effects) best solution would be number 3, but the recent submissions for issue 12601 are quite complex, so I don't know. Nicolai