Marcel Taeumel uploaded a new version of ReleaseBuilder to project The Trunk:
http://source.squeak.org/trunk/ReleaseBuilder-mt.237.mcz

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

Name: ReleaseBuilder-mt.237
Author: mt
Time: 22 June 2022, 3:33:19.675264 pm
UUID: d10fde5b-f367-8b46-aab5-f83a3143fff5
Ancestors: ReleaseBuilder-mt.236

Declare first release candidate of Squeak 6.0. See bundles in http://files.squeak.org/6.0rc1/.

=============== Diff against ReleaseBuilder-mt.236 ===============

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: 'Squeak6.0rc1'!
- 	SystemVersion newVersion: 'Squeak6.0beta'!