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

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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

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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

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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

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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! 🎀