Rails 7 adds encryption to ActiveRecord

Rails 7 supports application-level encryption. We can declare which attributes should be encrypted and, ActiveRecord will encrypt and decrypt when necessary.

Rails 7 ensures has_one autosave association callbacks get called once

In Rails 7, the autosave association callbacks for the has_one are non-cyclic.

Redux 4.1.0 converts error messages from strings to error code indexes

Redux 4.1.0 extracts error messages from production build, converts them into error code indexes, thereby shrinking the bundle size.

Rails 7 allows access to nested encrypted secrets by method calls

We can now access nested secrets stored in credentials.yml.enc using the dot (.) syntax instead of using [ ]

Rails 7 adds disable_joins: true option to has_one :through association

In multiple database applications, associations can't join across databases. When set, Rails makes 2 or more queries rather than using join for associations.

Rails 7 adds `Enumerable#sole` to return a sole item in the enumerable

Enumerable#sole returns the sole item in the enumerable and raises an exception if no items or more than one item is found.

Rails 7 adds range serializer for ActiveJob

ActiveJob in Rails 7 allows a range to be passed as an argument to perform method.

Ruby 3.1 Enumerable#tally now accepts an optional hash to count occurrences

Ruby 3.1 extends the functionality of the Enumerable#tally method introduced in Ruby 2.7. We can now pass another hash whose counts would be added to the resulting tally hash.

Ruby 3.1 adds Array#intersect? method

Ruby Array#intersect? method will return true or false based on common elements present in the two arrays.

React 17 internally uses the browser's focusin and focusout events for onFocus and onBlur events

React's onFocus and onBlur events have switched to using the native focusin and focusout events under the hood.