Rails 6 adds ability to block writes to a databaseRails 6 adds the ability to block writes to a database even if the database user is able to write using connection.while_preventing_writes
Ruby 2.7 adds Symbol#start_with? and Symbol#end_with? methodsRuby 2.7 adds Symbol#start_with? and Symbol#end_with? methods.
Ruby 2.7 improves Method#inspect by also displaying method's argumentsRuby 2.7 improves Method#inspect by also displaying method's arguments
Ruby 2.7 adds shorthand syntax for arguments forwardingRuby 2.7 has added new syntax `...` for method arguments forwarding.
Rails 6 adds ActiveSupport::ParameterFilterRails 6 has moved ParameterFilter from ActionDispatch to ActiveSupport in order to support filtered attributes with ActiveRecord::Relation#inspect.
Dir#glob and Dir# no longer allow NUL-separated glob pattern in Ruby 2.7Ruby 2.7 prohibits the problematic '\0' separated string as the parameter for Dir#glob and Dir#
Ruby 2.7 adds Enumerator#produceRuby 2.7 has added Enumerator#produce to generate Enumerator from any custom data-transformation.
Ruby 2.7 adds supports for Comparable#clamp with a rangeRuby 2.7 adds supports for Comparable#clamp with a range
Rails 6 adds each_value method to ActionController::ParametersRails 6 adds each_value method to ActionController::Parameters
Who was hiring at RubyConf 2019?List of companies hiring at RubyConf 2019 organized in Nashville.