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+* Baseclass becomes! subclass.
+
+ Before this change, a record which changed its STI type, could not be
+ updated.
+
+ Fixes #14785.
+
+ *Matthew Draper*, *Earl St Sauver*, *Edo Balvers*
+
* Remove deprecated `ActiveRecord::Migrator.proper_table_name`. Use the
`proper_table_name` instance method on `ActiveRecord::Migration` instead.