Rails ActiveRecord::Relation#pick now uses already loaded resultsRails ActiveRecord::Relation#pick now uses already loaded results instead of making a new query everytime.
Rails [attribute_name]_previously_changed? accepts :from and :to argumentsRails Active Model Dirty method [attribute_name]_previously_changed? now accepts :from and :to arguments just like [attribute_name]_changed?
Rails - Allows to specify schema cache path in database configuration fileRails 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.
Eager loading Active Storage models to avoid N+1 issuesRemoving N+1 queries when we access the Active Storage attachments associated with an ActiveRecord model.
Ruby Hash#transform_keys now accepts a hash that maps existing keys to new keysRuby Hash#transform_keys now also accepts a hash that maps the existing hash keys to new keys
Rails adds config rake_eager_loadRails has added the option to eager load all the registered name spaces in rake tasks.
Rails has added support for automatic database connection switching from primary to the replicaRails has added support for automatic database connection switching from primary to the replica
Rails 6.1 adds at option to perform_enqueued_jobs test helperRails 6.1 has added at option to perform_enqueued_jobs test helper to run only jobs which are scheduled at or before the passed in time
Rails introduces disallowed deprecations in ActiveSupportRails has added support to configure disallowed deprecations.
Rails has added a benchmark generatorRails has added a benchmark generator for scripts to benchmark Rails application.