Hi there! It's Claudio from sunny Los Angeles. Step by step we are getting closer to the first beta of Rails 5.2. Check out the changes that occurred in Ra-Ra-Rails-land last week.
Unless more regressions are found this will likely be the last release for Rails 4.2.

28 people contributed to Rails the past week! If you'd like to join them, why not check out the list of open issues?
If you use Active Storage, you can now easily provide image previews for PDF files and videos!
This PR introduces ActiveSupport::KeyRotator which provides an interface for easily rotating between different encryption ciphers or message digests, salts, and secrets.
The two methods were only implemented for PostgreSQL.
Makes #transform_keys coherent with other methods of HashWithIndifferentAccess such as #transform_values, #select and #reject.
You can now safely use Set in your Active Record query, e.g.: 
User.where(id: Set.new([1, 2]))
Wrapping Up
Feel free to check out the full list of changes.

Thanks to the 28 people contributed to Rails last week. If you'd like to join them, check out the list of open issues.

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