rails

Mar 30, 2020

Rails ActiveRecord::Relation#pick now uses already loaded results

Rails ActiveRecord::Relation#pick now uses already loaded results instead of making a new query everytime.

Mar 24, 2020

Rails [attribute_name]_previously_changed? accepts :from and :to arguments

Rails Active Model Dirty method [attribute_name]_previously_changed? now accepts :from and :to arguments just like [attribute_name]_changed?

Mar 18, 2020

Rails - Allows to specify schema cache path in database configuration file

Rails now exposes a new configuration for specifying the location of the schema cache file. This can be done in database.yml using schema_cache_path key.

Mar 17, 2020

Rails has added support in Action Cable to unsubscribe from specific stream

Rails adds ActionCable::Channel#stop_stream_from and ActionCable::Channel#stop_stream_for methods to allow user to unsubscribe from specific stream

Mar 6, 2020

Eager loading Active Storage models to avoid N+1 issues

Removing N+1 queries when we access the Active Storage attachments associated with an ActiveRecord model.

Mar 4, 2020

Rails adds jitter to ActiveJob::Exceptions.retry_on

Rails adds jitter to ActiveJob::Exceptions.retry_on to cater to thundering herd effect

Feb 26, 2020

Ruby Hash#transform_keys now accepts a hash that maps existing keys to new keys

Ruby Hash#transform_keys now also accepts a hash that maps the existing hash keys to new keys

Feb 25, 2020

Rails has added strict loading mode to prevent lazy loading

Rails has added strict loading mode to prevent lazy loading of associations and help avoid N + 1 queries

Feb 24, 2020

Rails adds config rake_eager_load

Rails has added the option to eager load all the registered name spaces in rake tasks.

Feb 19, 2020

Rails has added support for automatic database connection switching from primary to the replica