David T. Lewis uploaded a new version of Morphic to project The Trunk:
http://source.squeak.org/trunk/Morphic-dtl.1372.mcz

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

Name: Morphic-dtl.1372
Author: dtl
Time: 21 November 2017, 3:40:31.873793 pm
UUID: b7c42635-028a-4baa-abca-056362808bc7
Ancestors: Morphic-dtl.1371

Restore original versions of finalEnterActions: and finalExitActions: until they can be properly sorted out.

=============== Diff against Morphic-dtl.1371 ===============

Item was removed:
- ----- Method: MorphicProject>>clearGlobalState (in category 'enter') -----
- clearGlobalState
- 	"Clean up global state. The global variables World, ActiveWorld, ActiveHand and ActiveEvent
- 	provide convenient access to the state of the active project in Morphic. Clear their prior values
- 	when leaving an active project. This method may be removed if the use of global state variables
- 	is eliminated."
- 
- 	(Smalltalk at: #World ifAbsent: [])
- 		ifNotNil: [ Smalltalk at: #World put: nil ]. "If global World is defined, clear it now"
- 	ActiveWorld := ActiveHand := ActiveEvent := nil.
- !

Item was changed:
  ----- Method: MorphicProject>>finalEnterActions: (in category 'enter') -----
  finalEnterActions: leavingProject
  	"Perform the final actions necessary as the receiver project is entered"
  
  	| navigator armsLengthCmd navType thingsToUnhibernate |
+ 	World := world.  "Signifies Morphic"
- 	"If this image has a global World variable, update it now"
- 	(Smalltalk at: #World ifAbsent: [])
- 		ifNotNil: [ Smalltalk at: #World put: world ].  "Signifies Morphic"
  	world install.
  	world transferRemoteServerFrom: leavingProject world.
  	"(revertFlag | saveForRevert | forceRevert) ifFalse: [
  		(Preferences valueOfFlag: #projectsSentToDisk) ifTrue: [
  			self storeSomeSegment]]."
  	
  	"Transfer event recorder to me."
  	leavingProject isMorphic ifTrue: [
  		leavingProject world pauseEventRecorder ifNotNil: [:rec |
  			rec resumeIn: world]].
  
  	world triggerOpeningScripts.
  
  
  	self initializeMenus.
  	self projectParameters 
  		at: #projectsToBeDeleted 
  		ifPresent: [ :projectsToBeDeleted |
  			self removeParameter: #projectsToBeDeleted.
  			projectsToBeDeleted do: [:each | each delete]].
  
  	Locale switchAndInstallFontToID: self localeID.
  
  	thingsToUnhibernate := world valueOfProperty: #thingsToUnhibernate ifAbsent: [#()].
  	thingsToUnhibernate do: [:each | each unhibernate].
  	world removeProperty: #thingsToUnhibernate.
  
  	navType := ProjectNavigationMorph preferredNavigator.
  	armsLengthCmd := self parameterAt: #armsLengthCmd ifAbsent: [nil].
  	navigator := world findA: navType.
  	(Preferences classicNavigatorEnabled and: [Preferences showProjectNavigator and: [navigator isNil]]) ifTrue:
  		[(navigator := navType new)
  			bottomLeft: world bottomLeft;
  			openInWorld: world].
  	navigator notNil & armsLengthCmd notNil ifTrue:
  		[navigator color: Color lightBlue].
  	armsLengthCmd notNil ifTrue:
  		[Preferences showFlapsWhenPublishing
  			ifFalse:
  				[self flapsSuppressed: true.
  				navigator ifNotNil:	[navigator visible: false]].
  		armsLengthCmd openInWorld: world].
  	world reformulateUpdatingMenus.
  	world presenter positionStandardPlayer.
  	self assureMainDockingBarPresenceMatchesPreference.
  
  	world repairEmbeddedWorlds.!

Item was changed:
  ----- Method: MorphicProject>>finalExitActions: (in category 'enter') -----
  finalExitActions: enteringProject
  
  	world triggerClosingScripts.
  
  	"Pause sound players, subject to preference settings"
  	(world hasProperty: #letTheMusicPlay)
  		ifTrue: [world removeProperty: #letTheMusicPlay]
  		ifFalse: [SoundService stop].
  
  	world sleep.
+ 	
  	(world findA: ProjectNavigationMorph)
  		ifNotNil: [:navigator | navigator retractIfAppropriate].
+ 
+ 	"Clean-up global state."
+ 	World := nil.
+ 	ActiveWorld := ActiveHand := ActiveEvent := nil.
- 	self clearGlobalState.
  	Sensor flushAllButDandDEvents. !