Tobias Pape uploaded a new version of Monticello to project The Trunk:
http://source.squeak.org/trunk/Monticello-topa.627.mcz

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

Name: Monticello-topa.627
Author: topa
Time: 26 February 2016, 1:10:40.42795 pm
UUID: 65a5a11e-e321-40e0-bf4b-7e80a90509a7
Ancestors: Monticello-mt.626

Fix MCStReader for 'new' Spur class types

=============== Diff against Monticello-mt.626 ===============

Item was changed:
  ----- Method: MCStReader>>typeOfSubclass: (in category 'as yet unclassified') -----
  typeOfSubclass: aSymbol
  	#(
  		(subclass: normal)
  		(variableSubclass: variable)
  		(variableByteSubclass: bytes)
  		(variableWordSubclass: words)
  		(weakSubclass: weak)
+ 		(ephemeronSubclass: ephemeron)
+ 		(immediateSubclass: immediate)
  		) do: [:ea | ea first = aSymbol ifTrue: [^ ea second]].
  	self error: 'Unrecognized class definition'!