David T. Lewis uploaded a new version of Kernel to project The Trunk:
http://source.squeak.org/trunk/Kernel-dtl.1162.mcz==================== Summary ====================
Name: Kernel-dtl.1162
Author: dtl
Time: 17 March 2018, 3:11:04.807847 pm
UUID: 46f46dde-06c6-4189-a8e6-4a07eda959bf
Ancestors: Kernel-eem.1161
Use #rootClasses introduced in Environments-fbs.27
=============== Diff against Kernel-eem.1161 ===============
Item was changed:
----- Method: Class class>>rootsOfTheWorld (in category 'inquiries') -----
rootsOfTheWorld
"return a collection of classes which have a nil superclass"
+ ^Smalltalk globals rootClasses!
- ^(Smalltalk globals select: [:each | each isBehavior and: [each superclass isNil]]) asOrderedCollection!