Levente Uzonyi uploaded a new version of Kernel to project The Trunk:
http://source.squeak.org/trunk/Kernel-ul.449.mcz

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

Name: Kernel-ul.449
Author: ul
Time: 2 May 2010, 12:22:11.346 pm
UUID: 67d79d4f-1329-644e-a7a6-3f63bc2904b8
Ancestors: Kernel-fbs.448

- #rehash doesn't compress dictionaries, use #compact instead

=============== Diff against Kernel-fbs.448 ===============

Item was changed:
  ----- Method: Behavior>>compress (in category 'accessing method dictionary') -----
  compress
  	"Compact the method dictionary of the receiver."
  
+ 	self methodDict compact!
- 	self methodDict rehash!