Marcel Taeumel uploaded a new version of Morphic to project The Trunk: http://source.squeak.org/trunk/Morphic-ct.1535.mcz
==================== Summary ====================
Name: Morphic-ct.1535 Author: ct Time: 20 September 2019, 8:59:26.271726 pm UUID: 17f40683-0f08-b84a-85d7-bb0eb58aeecb Ancestors: Morphic-ct.1532
Fix another #setAsBackground: bug. Same considerations as for ancestor ...
=============== Diff against Morphic-ct.1532 ===============
Item was changed: ----- Method: PasteUpMorph>>setAsBackground: (in category 'visual properties') ----- setAsBackground: aFormOrColorOrFillStyle
+ | project | + (self outermostWorldMorph == self and: [(project := self project) isMorphic]) + ifTrue: [project setAsBackground: aFormOrColorOrFillStyle] - (self outermostWorldMorph == self and: [Project current isMorphic]) - ifTrue: [Project current setAsBackground: aFormOrColorOrFillStyle] ifFalse: [self fillStyle: aFormOrColorOrFillStyle].!