Patrick Rein uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-pre.1090.mcz

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

Name: System-pre.1090
Author: pre
Time: 3 September 2019, 5:06:59.772361 pm
UUID: 77f000d9-683d-d146-89d0-ac2dc4882362
Ancestors: System-mt.1089

Minor refactoring of a ChangeSet enumerating method in the context of a larger refactoring deprecating some organizing methods on ChangeSorter

=============== Diff against System-mt.1089 ===============

Item was changed:
  ----- Method: ChangeSet class>>highestNumberedChangeSet (in category 'enumerating') -----
  highestNumberedChangeSet
+ 	
- 	"ChangeSorter highestNumberedChangeSet"
  	| aList |
+ 	aList := self allChangeSetNames 
+ 		select: [:aString | aString startsWithDigit] 
+ 		thenCollect: [:aString | aString initialIntegerOrNil].
+ 	^ aList 
+ 		ifNotEmpty: [aList max]
+ 		ifEmpty: [nil]
- 	aList := (self allChangeSetNames select: [:aString | aString startsWithDigit] thenCollect:
- 		[:aString | aString initialIntegerOrNil]).
- 	^ (aList size > 0)
- 		ifTrue:
- 			[aList max]
- 		ifFalse:
- 			[nil]
  !