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.

Rails 6.1 adds `if_exists` option in `remove_index` operation

Rails 6.1 adds the `if_exists` option in `remove_index` which when set to true won't raise an error if the index doesn't exist.

Rails 7 adds direct ActiveStorage::Streaming support

Rails 7 adds a method to stream directly from your own controllers.

Rails 7 adds `#with_all_rich_text` to eager load all rich text associations at once

Rails 7 adds `#with_all_rich_text` to ActionText for eager loading all rich text associations.

Rails 7 adds maximum and minimum methods to Enumerable

Rails 7 adds `Enumerable#maximum` and `Enumerable#minimum` to calculate the maximum or minimum from extracted elements of an enumerable.

Rails 7 adds ActiveRecord methods `#sole` and `#find_sole_by`

Rails 7 adds ActiveRecord methods `#sole` and `#find_sole_by` to uniquely match only one record in a database.

Rails 7 adds #excluding to ActiveRecord::Relation

Rails 7 adds #excluding to ActiveRecord::Relation to exclude a record or collection of records.

React 17 stops event bubbling in scroll event

In React 17 the scroll event no longer bubbles to align with browser's behavior.

Rails 6.1 adds config option to control image_tag loading attribute

Rails 6.1 adds a config option to set a default value for the loading attribute of all image_tags. This is in line with the latest official HTML standard.