Marcel Taeumel uploaded a new version of ReleaseBuilder to project The Trunk:
http://source.squeak.org/trunk/ReleaseBuilder-mt.185.mcz

==================== Summary ====================

Name: ReleaseBuilder-mt.185
Author: mt
Time: 27 May 2018, 1:56:40.081902 pm
UUID: 00f78a55-f9e5-9047-a3a1-43ce0f7245f1
Ancestors: ReleaseBuilder-mt.184

Adds code to clean-up environment hick-ups.

=============== Diff against ReleaseBuilder-mt.184 ===============

Item was changed:
  ----- Method: ReleaseBuilder class>>discardUserObjects (in category 'scripts - support') -----
  discardUserObjects
  
+ 	"Remove the classes."
  	Player removeUninstantiatedSubclassesSilently.
  	MorphicModel removeUninstantiatedSubclassesSilently.
  
+ 	"Clean-up environment hick-ups."
+ 	Environment default allClassesDo: [:cls |
+ 		cls environment ~~ Environment default
+ 			ifTrue: [Environment default forgetClass: cls logged: false]].
+ 	Environment default declarations
+ 		select: [:ea | (ea value isBehavior and: [ea value isUniClass]) and: [ea value isObsolete]]
+ 		thenDo: [:ea |
+ 			SystemOrganization removeElement: ea key.
+ 			Environment default removeKey: ea key].		
+ 
  	"Remove empty categories for user objects."
  	SystemOrganizer cleanUp: true.!