Marcel Taeumel uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-mt.1398.mcz

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

Name: System-mt.1398
Author: mt
Time: 24 March 2023, 1:37:14.001268 pm
UUID: 5c12e54e-f75e-c547-bcbb-704f9f0433d9
Ancestors: System-mt.1397

Make sure to clear the Transcript contents when cleaning up aggressively.

=============== Diff against System-mt.1397 ===============

Item was changed:
  ----- Method: Project class>>cleanUp: (in category 'class initialization') -----
  cleanUp: agressive
  	"Remove all projects but only when cleaning aggressively"
  
  	agressive ifTrue:[
  		self removeAllButCurrent.
+ 		self current resourceManager reset.
+ 		self current resetTranscript].
- 		self current resourceManager reset].
  	
  	self cleanUpProjectPreferences.!

Item was added:
+ ----- Method: Project>>resetTranscript (in category 'initialization') -----
+ resetTranscript
+ 
+ 	transcript := TranscriptStream new.
+ 	self isCurrentProject ifTrue: [
+ 		Smalltalk at: #Transcript put: transcript].!