A new version of MorphicExtras was added to project The Inbox:
http://source.squeak.org/inbox/MorphicExtras-kfr.253.mcz

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

Name: MorphicExtras-kfr.253
Author: kfr
Time: 20 February 2019, 8:02:57.686228 pm
UUID: 5fb58713-8c97-4763-9566-d2adfe7e9a46
Ancestors: MorphicExtras-kfr.252

Refresh fix for MorphicExtras-kfr.252

=============== Diff against MorphicExtras-kfr.252 ===============

Item was changed:
  ----- Method: SketchEditorMorph>>extent: (in category 'actions & preps') -----
  extent: aPoint
   | form |
  super extent: aPoint.
     paintingForm ifNotNil:[ 
  	form := Form extent: self extent depth: paintingForm depth.
  	paintingForm displayOn: form.
  	paintingForm := form.
+       forEachHand do:[ :i| i at:#changed put: true]
+     ]!
- 	]!