We are happy to announce the immediate availability of Doctrine ORM 2.5.5.

Following issues were fixed:

• Embeddable classes are now allowed in inheritance trees #4097
• Removed some object hash collisions caused by entity merging #1465
• Allowed usage of mathematical operators in DQL HAVING clauses #5598
• Fixed cloning of proxies with private properties at multiple inheritance levels #5755
• Entity insertions are correctly cleared when a specific entity is to be cleared #5849
• Corrected hydration of fetch-joins that use composite keys #5762
• Metadata exporters now only export the owning side metadata in a one-to-one relation #5858
• Corrected hydration of JTI entities when NULL is retrieved for a simple_array or json_array field #5989
• Correctly expire L2 cache query caches, based on entity region cache timestamp #6001

Installation

You can install the ORM component using Composer:

composer require doctrine/orm:^2.5.5

Please report any issues you may have with the update on the issue tracker.