Index: branches/RC/core/install/upgrades.sql
===================================================================
diff -u -N -r11599 -r11600
--- branches/RC/core/install/upgrades.sql	(.../upgrades.sql)	(revision 11599)
+++ branches/RC/core/install/upgrades.sql	(.../upgrades.sql)	(revision 11600)
@@ -1110,3 +1110,5 @@
 
 UPDATE Phrase SET Module = 'Core' WHERE Phrase IN ('la_Hide', 'la_Show', 'la_fld_Requied', 'la_col_Modified');
 ALTER TABLE Phrase ADD UNIQUE (LanguageId, Phrase);
+
+ALTER TABLE CustomField ADD IsRequired TINYINT( 3 ) UNSIGNED;