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522

answers:

4

I am working on rails 2.3.4 . As rails new version rails 3 has arrived , I want to know which are the major changes rails3 has?

+6  A: 

Did you check the release notes?

If you're looking for more Rails 3 info, you could start here.

molf
+1  A: 

From rubyonrails.org blog

  • Brand new router with an emphasis on RESTful declarations
  • New Action Mailer API modelled after Action Controller (now without the agonizing pain of sending multipart messages!)
  • New Active Record chainable query language built on top of relational algebra
  • Unobtrusive JavaScript helpers with drivers for Prototype, jQuery, and more coming (end of inline JS)
  • Explicit dependency management with Bundler
S.Mark
+1  A: 

http://weblog.rubyonrails.org/2010/2/5/rails-3-0-beta-release/

There’s plenty to get excited about here. A few of the headliner features are:

  • Brand new router with an emphasis on RESTful declarations
  • New Action Mailer API modelled after Action Controller (now without the agonizing pain of sending multipart messages!)
  • New Active Record chainable query language built on top of relational algebra
  • Unobtrusive JavaScript helpers with drivers for Prototype, jQuery, and more coming (end of inline JS)
  • Explicit dependency management with Bundler

My Five Favorite Things About Rails 3

Google "rails 3"

marklai
+1  A: 

yehuda Katz features list on rails 3 will give and here is the list on rails-3 to learn

YetAnotherCoder
Thank you every one to help me knowing the new points added and link support
Arpit Vaishnav