Rails 6.1 adds at option to perform_enqueued_jobs test helper
Rails 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 timeRails adds ActiveRecord API for switching multiple database connections
Rails adds ActiveRecord API connects_to and connected_to for switching connections to support multiple databases.Rails introduces disallowed deprecations in ActiveSupport
Rails has added support to configure disallowed deprecations.Rails has added a benchmark generator
Rails has added a benchmark generator for scripts to benchmark Rails application.Rails adds support for if_exists/if_not_exists on remove_column/add_column in migrations
Rails adds support for if_exists/if_not_exists on remove_column/add_column in migrations to silently ignore migrationsRails 6 adds rails db:system:change command
Rails 6 adds rails db:system:change command to allow switching database configurationRails 6 - ActiveSupport Deprecations in Unicode and Chars support in favour of String
Rails 6 has deprecated methods in Unicode and Chars support for ActiveSupport in favor of using ruby 2.3+ String methods directly.Rails 6.1 adds support for multiple storage services to Active Storage
Rails 6.1 adds support to configure storage services for individual attachment.Rails adds ActiveRecord::Relation#annotate for adding SQL comments to ActiveRecord::Relation queries
Rails adds ActiveRecord::Relation#annotate for adding SQL comments to ActiveRecord::Relation queriesRuby 2.7 - Singleton class yield syntax throws a warning
Ruby 2.7 singleton class yield syntax is warned and will be deprecated in Ruby 3.0.