Marcel Taeumel uploaded a new version of ReleaseBuilder to project The Trunk:
http://source.squeak.org/trunk/ReleaseBuilder-mt.234.mcz

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

Name: ReleaseBuilder-mt.234
Author: mt
Time: 18 May 2022, 2:33:00.612855 pm
UUID: 82c02bab-f875-df48-9b12-ad450118fb0e
Ancestors: ReleaseBuilder-mt.233

Set feature freeze for Squeak 6.0

=============== Diff against ReleaseBuilder-mt.233 ===============

Item was changed:
  ----- Method: ReleaseBuilder class>>initialize (in category 'class initialization') -----
  initialize
  
  	QAndA ifNil: [self clearQAndA].
  
  	"We have to be after AutoStart so that Morphic is up and running."
  	Smalltalk addToStartUpList: ReleaseBuilder after: AutoStart.
  
+ 	SystemVersion newVersion: 'Squeak6.0beta'!
- 	SystemVersion newVersion: 'Squeak6.0alpha'!