- Encrypted attributes have been added to Active Record, enabling applications to offer at-work encryption in addition to traditional at-rest and in-transit coverage. An additional security layer is provided through this improvement.
- With asynchronous query loading, two unrelated queries can be run concurrently via a controller action.
- The Zeitwerk code loader replaces the
- The Spring application preloader is no longer on by default, as faster computers have made it unnecessary except for the largest applications.
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