Andreas Raab uploaded a new version of Traits to project The Trunk:
http://source.squeak.org/trunk/Traits-ar.243.mcz

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

Name: Traits-ar.243
Author: ar
Time: 12 November 2009, 1:22:01 am
UUID: b38d1edc-e604-6240-9b55-b51b36144b34
Ancestors: Traits-nice.242

Remove support for isolation layers.

=============== Diff against Traits-nice.242 ===============

Item was changed:
  ----- Method: TCompilingBehavior>>compileAllFrom: (in category 'compiling') -----
  compileAllFrom: oldClass
  	"Compile all the methods in the receiver's method dictionary.
  	This validates sourceCode and variable references and forces
  	all methods to use the current bytecode set"
  	"ar 7/10/1999: Use oldClass selectors not self selectors"
  	
+ 	oldClass selectorsDo: [:sel | self recompile: sel from: oldClass].!
- 	oldClass selectorsDo: [:sel | self recompile: sel from: oldClass].
- 	self environment currentProjectDo: [:proj | proj compileAllIsolated: self from: oldClass].!