Marcel Taeumel uploaded a new version of Morphic to project The Trunk:
http://source.squeak.org/trunk/Morphic-mt.1446.mcz

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

Name: Morphic-mt.1446
Author: mt
Time: 31 May 2018, 11:05:49.723667 am
UUID: 44cfc002-66ac-2041-9339-ede4e61a1b58
Ancestors: Morphic-mt.1445

Small compatibility fix to make older system windows load. Those windows do not user SstemWindowButton but IconicButton instances.

=============== Diff against Morphic-mt.1445 ===============

Item was added:
+ ----- Method: IconicButton>>dim (in category 'compatibility') -----
+ dim
+ 	"backwards compability for old system windows"
+ !

Item was added:
+ ----- Method: IconicButton>>undim (in category 'compatibility') -----
+ undim
+      "backwards compability for old system windows"
+ !