Rails adds the ability to prevent unwarranted shard swappingRails provides the config option ActiveRecord::Base.prohibit_shard_swapping that prevents swapping of database shards.
Optimize large React app performance by code-splittingCode-splitting helps divide large code bundles into smaller ones, which can then be loaded on demand. It helps in reducing the initial load time of the application.
Rails 7 adds optional transaction arguments to with_lockWith Rails 7 we can pass transaction arguments like isolation, joinable, etc directly to with_lock
Rails loads ActionCable via ZeitwerkZeitwerk is a new thread-safe code loader introduced in Rails 6. Now, ActionCable and other related modules are loaded via Zeitwerk.
ECMAScript 2022: Ergonomic brand check for private fieldsECMAScript 2022 provides a simpler way to check if an object has a given private field using the 'in' operator.
Rails 7: Action Text: forward form: option to hidden inputAdd support for accessing the form as a property of the
Rails conforms to destroy_association_async_job config when destroying asynchronouslyRails no longer ignores the configuration option destroy_association_async_job when destroying objects with destroy_async option.
Taking control of scroll with CSS Overscroll Behavior and Scroll SnapImprove the scroll bar behavior with CSS properties 'overscroll-behavior' and 'scroll snap'.
Rails 7 adds support for setting the schema dump filepath in the database configSchema dumps can now be toggled and dump filepaths can be set for individual database shards.
Rails 7 allows permitting numeric paramsRails 7 eliminates the issue of permitting nested hash. Now required attributes can be permitted by calling the permit method directly on the parent hash.