Marcel Taeumel uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-mt.810.mcz

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

Name: System-mt.810
Author: mt
Time: 6 April 2016, 11:05:30.468095 am
UUID: 8d6172bc-5f9e-af49-b88f-4c74141fdd38
Ancestors: System-mt.809

Migration complete. Revert implementation of #isMorphic.

=============== Diff against System-mt.809 ===============

Item was changed:
  ----- Method: SmalltalkImage>>isMorphic (in category 'snapshot and quit') -----
  isMorphic
+        
+ 	^ Project current isMorphic!
-        "Temporary implementation."
- 
- 	^ (Project current respondsTo: #isMorphic) not or: [Project current isMorphic]!