Eliot Miranda uploaded a new version of HelpSystem-Core to project The Trunk:
http://source.squeak.org/trunk/HelpSystem-Core-eem.135.mcz

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

Name: HelpSystem-Core-eem.135
Author: eem
Time: 11 November 2021, 9:12:59.000828 am
UUID: c45f0a57-e4bf-4af4-93ce-1c171b2f8fb2
Ancestors: HelpSystem-Core-mt.134

Fix an MNU when accessing Release Notes in trunk Welcome.

=============== Diff against HelpSystem-Core-mt.134 ===============

Item was changed:
  ----- Method: DirectoryBasedHelpTopic>>key (in category 'accessing') -----
  key
  
+ 	^ self directoryEntry ifNil: [title] ifNotNil: [:dirEntry| dirEntry fullName]!
- 	^ self directoryEntry fullName!