A new version of Collections was added to project The Inbox:
http://source.squeak.org/inbox/Collections-ct.827.mcz

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

Name: Collections-ct.827
Author: ct
Time: 31 May 2019, 1:49:32.006053 pm
UUID: fe89c3e0-5003-aa40-8f1f-cd356ae17716
Ancestors: Collections-cmm.826

Add convenience method for joining strings (Collection>>asStringByDelimiter:)

=============== Diff against Collections-cmm.826 ===============

Item was added:
+ ----- Method: Collection>>asStringByDelimiter: (in category 'printing') -----
+ asStringByDelimiter: aDelimiter
+ 
+ 	^String streamContents: [:s | self asStringOn: s delimiter: aDelimiter]!