## Rails 6.0.0.alpha (Unreleased) ##

*   Rails 6 requires Ruby 2.4.1 or newer.

    *Jeremy Daer*

*   Add support to define custom argument serializers.

    *Evgenii Pecherkin*, *Rafael Mendonça França*


Please check [5-2-stable](https://github.com/rails/rails/blob/5-2-stable/activejob/CHANGELOG.md) for previous changes.