Hi everybody!
It’s been 3 Months since RailsConf, so I think it’s time we released Rails 3.1.0. So, here it is! I’ve released Rails 3.1.0!
For a much more attractive and easy to read list of changes, please check out the awesome Rails 3.1.0 Release Notes on the Rails Guides site. For a less attractive list of changes, please continue to read!
Here are some highlights of the major changes in Rails 3.1.0:
ActionPack has been updated to include the new asset pipeline. Please see the rails guides on the asset pipeline.
Streaming response support has been added. This feature allows you to stream templates to the user before processing has actually finished. See the Rails Guides, or documentation in ActionController::Metal::Streaming for more information. Middleware have been refactored to support this feature.
RJS has been extracted to a gem.
attr_accessible and friends now accepts :as as option to specify a role
Added ActiveModel::SecurePassword to encapsulate dead-simple password usage with BCrypt encryption and salting.
Prepared statement caches have been integrated. ActiveRecord::Base#create and simple finders will use a prepared statement and cache for more performant inserts and selects.
Associations have been refactored for greater simplicity and maintainability.
default_scope can take any object that responds to call.
PostgreSQL adapter only supports PostgreSQL version 8.2 and higher.
Migrations use instance methods rather than class methods. Rather than defining a self.up method, you should define an instance method up.
Migrations are reversible. When a new migration is generated, the migration will contain one method called change. Database changes made in this method will automatically know how to reverse themselves. For more information, see the documentation for ActiveRecord::Migration and ActiveRecord::Migration::CommandRecorder.
When a model is generated, add_index is added by default for belongs_to or references columns.
self.format = :xml in the class.ActiveSupport::BufferedLogger set log encoding to BINARY, but still use text mode to output portable newlines.
Add Object#in? to test if an object is included in another object.
ActiveSupport::Dependencies::ClassCache class has been introduced for holding references to reloadable classes.
Added weeks_ago and prev_week to Date/DateTime/Time.
JSON decoding now uses the multi_json gem which also vendors a json engine called OkJson. The yaml backend has been removed in favor of OkJson as a default engine for 1.8.x, while the built in 1.9.x json implementation will be used by default.
The default database schema file is written as UTF-8.
Rack::Sendfile middleware is used only if x_sendfile_header is present.
Add alias r for rails runner.
jQuery is the new default JavaScript library.
Added config.force_ssl configuration which loads Rack::SSL middleware and force all requests to be under HTTPS protocol
For a more detailed list of changes, please see each of the CHANGELOG files checked in to the Rails repository on github.
For an even more detailed list of changes, please see the commit list between Rails 3.0.10 and 3.1.0.
I am personally very proud of this release. I want to say thank you to the people testing our release candidates, the people submitting patches and sending in bug reports. I think that Rails 3.1.0 is the best release of Rails to date, and we could not have done it without you.
Please continue to create amazing things with this framework!
<3 <3 <3
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