Rails 7 transforms a Ruby hash into HTML attributes for ERB interpolation
Rails 7 adds `tag.attributes`, which transforms a Hash into HTML Attributes, ready to be interpolated into ERB.Rails 7 adds disable_joins: true option to has_many :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 allows constructors on has_one :through associations
Rails 7 allows build_association and create_association on has_one :through associations.React 17 adds support for KeyboardEvent.code property to SyntheticEvent
Starting with React 17, KeyboardEvent.code property is available on React keyboard event.Rails 7 adds invert_where method to ActiveRecord
Rails 7 adds invert_where method that will invert all scope conditions.Rails 7 adds `Enumerable#in_order_of` to put an enumerable in a certain order by a key.
With the addition of the `in_order_of` method, we can order enumerable based on the provided series.Rails 7 ActiveJob adds the ability to communicate enqueue failures to callers
ActiveJob's `perform_later` method provides a clean way of communicating enqueued job failures to the caller method, allowing developers to handle errors more efficiently.Rails 7 enables scoping to apply to all queries
Rails 7 allows passing all_queries option to the scoping method. This change allows the scoping method to work on all queries for a model in a block.React 17 removes event pooling in the modern browsers
React 17 removes event pooling in modern browsers as it does not improve the performance and causes confusion.Rails 7 adds the ability to schedule the query on the background thread pool
Rails 7 adds the ability to push database queries to the background thread pool, effectively reducing load times by utilizing I/O waits.
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