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backend/vendor/doctrine/doctrine-bundle/UPGRADE-3.0.md

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+UPGRADE FROM 2.x to 3.0
+=======================
+
+Configuration
+-------------
+
+### Controller resolver auto mapping can no longer be configured
+
+The `doctrine.orm.controller_resolver.auto_mapping` option now only accepts `false` as value, to disallow the usage of the controller resolver auto mapping feature by default. The configuration option will be fully removed in 4.0.
+
+Auto mapping used any route parameter that matches with a field name of the Entity to resolve as criteria in a find by query. This method has been deprecated in Symfony 7.1 and is replaced with mapped route parameters.
+
+If you were relying on this functionality, you will need to update your code to use explicit mapped route parameters instead.
+
+Types
+-----
+
+ * The `commented` configuration option for types is no longer supported and
+ deprecated.