A new version of ST80 was added to project The Inbox:
http://source.squeak.org/inbox/ST80-dtl.233.mcz

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

Name: ST80-dtl.233
Author: dtl
Time: 10 December 2017, 1:57:45.015948 pm
UUID: b442c904-3b1e-462a-9b74-14e97e5ee2b0
Ancestors: ST80-nice.232

Move SoundService stop handling in #finalExitActions from Project to MVCProject in order to allow MorphicProject to handle differently (but also call super).

=============== Diff against ST80-nice.232 ===============

Item was changed:
  ----- Method: MVCProject>>finalExitActions: (in category 'enter') -----
  finalExitActions: enteringProject
  
  	super finalExitActions: enteringProject.
+ 	SoundService stop.
  
  	self world unCacheWindows.
  	Sensor flushAllButDandDEvents.
  	
  	ScheduledControllers := nil.!