Jul 28, 2021
Rails 7 allows setting cache expiry, as an absolute timestamp
With the introduction of expires_at to Rails Cache it is now possible to set absolute timestamps for cache expiry.
Jul 27, 2021
Rails 7 adds change tracking methods for belongs_to associations
Rails 7 adds the ability to track if an association has been pointed to a new target record in the previous save and whether it will point to a new target record in the next save.
Jul 20, 2021
Rails 7 allows loading nested locales in the engine
Rails 7 allows loading nested locales inside the `/locales` directory by default for better organization in larger apps.
Jul 14, 2021
Rails 7 adds support for `if_exists/if_not_exists` on `remove_foreign_key/add_foreign_key`
Rails 7 adds support for `if_exists/if_not_exists` on `remove_foreign_key/add_foreign_key` in migrations to silently ignore raised exceptions.
Jul 13, 2021
Rails 7 MySQL adapter improves the security of untyped bound values
MySQL adapter in Rails 7 casts numbers and booleans to string to avoid security vulnerabilities.
Jul 6, 2021
Rails 7 adds previously_persisted? method to ActiveRecord
Rails 7 adds previously_persisted? method to check an object previously existed in the database and presently deleted.
Jun 30, 2021
Rails 7 adds AudioAnalyzer to ActiveStorage
Rails 7 adds AudioAnalyzer to ActiveStorage to extract audio duration and bit_rate.
Jun 29, 2021
Rails 7 generators will raise errors if an attribute type is invalid
Rails 7 generators will validate the type by checking if it is of a default migration type and will raise an error if it is invalid.
Jun 23, 2021
Rails 7 allows passing raw SQL as `on_duplicate` value to `#upsert_all`
Rails 7 allow passing raw SQL statements to `on_duplicate` and `returning` option as value to ActiveRecord `#upsert_all` method.
Jun 22, 2021
Rails now serves files via proxy
Rails 6.1 has added support to ActiveStorage that serves files via proxying.
