Marcel Taeumel uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-mt.1158.mcz

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

Name: System-mt.1158
Author: mt
Time: 17 May 2020, 11:57:20.815517 am
UUID: 0e8657fb-96fb-fb4d-8bd2-41f093b385e4
Ancestors: System-nice.1157

Complements Graphics-mt.432

=============== Diff against System-nice.1157 ===============

Item was changed:
  ----- Method: Project class>>shutDown: (in category 'snapshots') -----
  shutDown: quitting
  
+ 	Project current shrinkDisplay.
+ 
  	quitting ifTrue: [
  		Project current world triggerEvent: #aboutToLeaveWorld].!

Item was added:
+ ----- Method: Project>>shrinkDisplay (in category 'displaying') -----
+ shrinkDisplay 
+ 
+ 	Display shrink.!