8a4d1e2cf6
If I understand [2.5 release info](https://github.com/doctrine/doctrine2/releases/tag/v2.5.0) correctly, 2.4 will have last bugfix, then security fixes. I suppose then 2.3 and lower are in EOL, thus not needed to check badge for. Also they don't have any branch.
| Master | 2.5 | 2.4 |
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Doctrine 2 is an object-relational mapper (ORM) for PHP 5.4+ that provides transparent persistence for PHP objects. It sits on top of a powerful database abstraction layer (DBAL). One of its key features is the option to write database queries in a proprietary object oriented SQL dialect called Doctrine Query Language (DQL), inspired by Hibernate's HQL. This provides developers with a powerful alternative to SQL that maintains flexibility without requiring unnecessary code duplication.