Ruby 3.0 - Procs accepting a single rest argument and keyword arguments are no longer subject to autosplattingRuby 3.0 changed the inconsistent behavior for autosplatting, when rest argument and keyword arguments are present for a Proc
Ruby adds experimental support for end-less method definitionRuby has added a new experimental syntax for defining single-line methods without using the end keyword.
Heredocs and how to use them in Ruby and RailsWhat are heredoc and different ways to use them in Ruby and Rails.
Rails adds round_mode parameter support to number helpersRails has added :round_mode parameter support to number helpers
Ruby 2.7 - Setting $ special variables to non-nil value is now warnedIn Ruby 2.7, setting special variable $, $; $/ $\ to non-nil values will now show a deprecated warning
Ruby 2.7 removes taint checking mechanismRuby 2.7 access and setting of $SAFE is now always warned. $SAFE will become a normal global variable in Ruby 3.0
Ruby 2.7 - Singleton class yield syntax throws a warningRuby 2.7 singleton class yield syntax is warned and will be deprecated in Ruby 3.0.
How to pass arguments to methods in ruby and how it affects their arityDeep dive into different ways of passing arguments to methods and how it affects their arity
Ruby 2.7 allows placing of comment lines between fluent dotsRuby 2.7 allows placing of comment lines between chained methods. It facilitates easier debugging and also allows adding a separate comment for one or more chained methods.
Ruby 2.7 fixed the parsing for multiple assignment with `rescue` modifierRuby 2.7 fixed how the `rescue` modifier was parsed in multiple assignment statement.