Nicolas Cellier uploaded a new version of Monticello to project The Trunk:
http://source.squeak.org/trunk/Monticello-ct.712.mcz

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

Name: Monticello-ct.712
Author: ct
Time: 14 January 2020, 1:58:10.168813 pm
UUID: c048116c-f5ca-8c4d-adab-34d19467565a
Ancestors: Monticello-cmm.708

Reuse ToolBuilder utility in MCTool >> #showModally

=============== Diff against Monticello-cmm.708 ===============

Item was changed:
  ----- Method: MCTool>>showModally (in category 'morphic ui') -----
  showModally
  	modalProcess := Processor activeProcess.
  	self window openInWorldExtent: self defaultExtent.
+ 	ToolBuilder default runModal: self window.
- 	[self window world notNil] whileTrue: [
- 		self window outermostWorldMorph doOneCycle.
- 	].
  	morph := nil.
  	^ modalValue!