A new version of Tools was added to project The Inbox:
http://source.squeak.org/inbox/Tools-ct.985.mcz

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

Name: Tools-ct.985
Author: ct
Time: 22 August 2020, 8:05:25.644378 pm
UUID: fcb716be-e917-2646-ade9-4c4550088392
Ancestors: Tools-eem.984

Fix selection updates in ChangeList by sending missing observer updates.

Same reason as ToolBuilder-Morphic-ct.253. I also re-checked all other senders of #setSelectionList: in the Trunk image and did not found any further invalidation problems.

=============== Diff against Tools-eem.984 ===============

Item was changed:
  ----- Method: ChangeList>>listSelectionAt:put: (in category 'viewing access') -----
  listSelectionAt: index put: value
  
  	listSelections at: index put: value.
+ 	self
+ 		changed: #listSelectionAt:;
+ 		changed: #listIndex.
- 	self changed: #listIndex.
  	^ value!