support grace period where migrations have not yet run

app/models/account.rb

@@ -28,6 +28,19 @@ def sessions
     @sessions ||= RefreshToken.sessions(id)
   end
 
+  # TODO: remove in next release
+  def self.migrated?
+    column_names.include?('require_new_password')
+  end
+
+  def require_new_password?
+    read_attribute(:require_new_password) if self.class.migrated?
+  end
+
+  def require_new_password=(val)
+    write_attribute(:require_new_password, val) if self.class.migrated?
+  end
+
   private def set_password_changed_at
     self.password_changed_at = Time.now if password_changed?
   end