Marcel Taeumel uploaded a new version of Morphic to project The Trunk:
http://source.squeak.org/trunk/Morphic-mt.1376.mcz

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

Name: Morphic-mt.1376
Author: mt
Time: 14 December 2017, 11:10:08.355531 am
UUID: 5385c16f-8e09-024b-9d04-ffe04223e8aa
Ancestors: Morphic-nice.1375

Fixes preference update for #drawCornerResizeHandles.

=============== Diff against Morphic-nice.1375 ===============

Item was changed:
  ----- Method: CornerGripMorph class>>drawCornerResizeHandles: (in category 'preferences') -----
  drawCornerResizeHandles: aBoolean
  	
- 	| world |
  	DrawCornerResizeHandles := aBoolean.
+ 	Project current restoreDisplay.!
- 	world := self world.
- 	world invalidRect: world bounds from: world.!