We released Doctrine 2.2 today.

A top list of the new features includes:

• Filtering entities and associations based on rules that can be parameterized, enabled or disabled, developed by asm89
• Support for complex SQL types such as Geometries, IPs, develped by jsor.
• Bit Comparisions in DQL, developed by Fabio.
• Annotation Refactorings by Fabio and johannes.
• DQL Refactoring, ORDER BY and GROUP BY supporting result variables of SELECT expressions.
• Alias for entities in DQL results.
• Result Cache refactoring
• Flush for single entities
• Master/Slave Connection in DBAL

See the changelogs of all three projects Common, DBAL, ORM:

• ORM
• DBAL
• Common

See the UPGRADE_2_2 file to see backwards incompatible changes.

You can install the release through Github , PEAR or through Composer:

{ : "require": { "doctrine/orm": "2.2.0" }

}