Feb 18, 2020
Ruby 2.7 removes taint checking mechanism
Ruby 2.7 access and setting of $SAFE is now always warned. $SAFE will become a normal global variable in Ruby 3.0
Feb 17, 2020
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 time
Feb 14, 2020
Rails adds ActiveRecord API for switching multiple database connections
Rails adds ActiveRecord API connects_to and connected_to for switching connections to support multiple databases.
Feb 12, 2020
Rails introduces disallowed deprecations in ActiveSupport
Rails has added support to configure disallowed deprecations.
Feb 11, 2020
Rails has added a benchmark generator
Rails has added a benchmark generator for scripts to benchmark Rails application.
Feb 10, 2020
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 migrations
Feb 4, 2020
Rails 6 adds rails db:system:change command
Rails 6 adds rails db:system:change command to allow switching database configuration
Feb 4, 2020
Rails 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.
Feb 3, 2020
Rails 6.1 adds support for multiple storage services to Active Storage
Rails 6.1 adds support to configure storage services for individual attachment.
Jan 29, 2020
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 queries
