# phpman > ri > ActiveRecord::Migration::Compatibility::V5_2

## [ActiveRecord::Migration::Compatibility::V52](https://www.chedong.com/phpMan.php/perldoc/ActiveRecord%3A%3AMigration%3A%3ACompatibility%3A%3AV52/markdown) < [ActiveRecord::Migration::Compatibility::V60](https://www.chedong.com/phpMan.php/perldoc/ActiveRecord%3A%3AMigration%3A%3ACompatibility%3A%3AV60/markdown)

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