Rails 5: awesome features and breaking changes claudiob.github.io

Rails 1.x Rails 5.x Rails 4.x Rails 3.x Rails 2.x Rails 0.x Releasing a major version ≈ Moving to a new place

Rails 1.x Rails 5.x Rails 4.x Rails 3.x Rails 2.x Rails 0.x

Rails 1.x Rails 5.x Rails 4.x Rails 3.x Rails 2.x Rails 0.x

Rails 1.x Rails 5.x Rails 4.x Rails 3.x Rails 2.x Rails 0.x

Rails 1.x Rails 5.x Rails 4.x Rails 3.x Rails 2.x Rails 0.x

Rails 1.x Rails 5.x Rails 4.x Rails 3.x Rails 2.x Rails 0.x

Rails 1.x Rails 5.x Rails 4.x Rails 3.x Rails 2.x Rails 0.x

Releasing a major version ≈ Moving to a new place pack grow housewarm decorate unpack clean

pack grow housewarm decorate unpack clean Remove deprecation code Remove respond_to/respond_with placeholder methods Remove XML Serialization Remove content_tag_for, div_for Remove skip_action_callback Remove rake doc:* tasks Remove render nothing: true Remove from ActionController *_filter callbacks (use *_action) #18325 afd5e9a #21161 #18411 #19060 cd7cc52 #20336 7644a99

pack grow housewarm decorate unpack clean Require Ruby 2.2.2 Beyond Ludicrous Speed AS::Dependencies 10x faster Use #start_with? and #[] for speed Reference string constants Use keyword arguments Replace alias_method_chain with Module#prepend #19753 #21057 #21411 #21100 #18323 #17173 #19434

pack grow housewarm decorate unpack clean More uniform arguments for ActiveRecord::Relation methods Drop ActiveRecord::Relation#uniq Allow empty arrays in deep munge Require belongs_to by default Allow true to validate acceptance More reversible migration actions Accept collections in fresh_when Type ‘rails command’, not ‘rake’ _.html.erb is a valid partial file #11898 #16924 #18937 #18439 #18374 #18878 #21505 #20198 #20018 da9038e

pack grow housewarm decorate unpack clean Add ActiveRecord::Relation#or Add ActiveModel::Errors#codes Add Integer#positive?, negative? Add prev_weekday, next_weekday, weekend? to Date and DateTime Add Method#source_code Add forever-cache for static pages Add AR::Base.has_secure_token Add ActionController::Renderer Add ‘rake dev:cache’ #16052 e54277a #18335 #18473 #18217 #18546 #18322 #18394 #20961

pack grow housewarm decorate unpack clean Returning false in callbacks no longer halts callback chains ActionController::Parameters no longer inherits from HashWithIndifferentAccess PredicateBuilder no longer accepts Class in conditions Time columns are now time-zone aware by default #17227 #20868 #17916 #15726

pack grow housewarm decorate unpack clean Rails API! ActionCable! New Turbolinks! New Sprockets! Exciting future! Thanks!