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UPGRADE-2.1.md

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UPGRADE FROM 2.0 to 2.1

ID generators

The Doctrine\ODM\MongoDB\Id\AbstractIdGenerator class has been deprecated. Custom ID generators must implement the Doctrine\ODM\MongoDB\Id\IdGenerator interface.

Metadata

The Doctrine\ODM\MongoDB\Mapping\ClassMetadata class has been marked final and will no longer be extendable in 3.0.

The boolean, integer, and int_id mapping types have been deprecated. Use the bool, int, and int types, respectively. These types behave exactly the same.