Christoph Thiede uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-ct.1251.mcz

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

Name: System-ct.1251
Author: ct
Time: 22 November 2021, 6:32:12.888308 pm
UUID: 7fb5f187-f812-0c40-9234-d7a6773c3ecd
Ancestors: System-ct.1250, System-ct.1243

Merges System-ct.1243 (categories an unclassified preference).

=============== Diff against System-ct.1250 ===============

Item was changed:
  (PackageInfo named: 'System') postscript: '"Add the new primitive error codes to the specialObjectsArray if they are not there yet."
  Smalltalk primitiveErrorTable size < 26 ifTrue:
+ 	[Smalltalk recreateSpecialObjectsArray].
+ 
+ (Preferences preferenceAt: #debugLogTimestamp) categoryList: #(''debug'').'!
- 	[Smalltalk recreateSpecialObjectsArray]'!