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03 May 2013, 18:42
Steven Finnegan (19 posts)

On May 1st I downloaded p3.2. Today (May 3) I downloaded b2.0. The covers are slightly different, and they have different version numbers, but both are Dated May-2013. What is the difference between the versions? Thanks.

06 May 2013, 00:11
Sam Ruby (634 posts)

The ISBN number has also changed.

Background on what’s going on: there is continuing demand for a version that covers Rails 3.2, and simultaneous offering of a P3.2 printing targetting Rails 4 is proving to be confusing.

Calling this the second beta for Rails 4 addresses this confusion.

30 Aug 2013, 13:44
Navraj Ghataura (3 posts)

Hi Sam

I’ve developed in Rails 2.3 and would like to update my rails apps. Not sure if I should switch to 3.2 or 4.0. I’v read that 3.2 is fairly close to 4.0. Is this true?

I would jump to 4.0 but have the following concerns: a) 4.0 may be buggy/unstable b) most of the material/resources (books) are for rails 3 c) If I do go with 3.2 how long before the rails core team stops patching security holes?

Look fwd to your input.


30 Aug 2013, 18:36
Sam Ruby (634 posts)

I’d recommend going with 4.0. That being said, Rails 3.2 plus strong parameters is indeed fairly close to Rails 4.0. Much bigger changes happened in Rails 3.1 (e.g. the asset pipeline) and Rails 3.0 (e.g. bundler).

Per the maintenance policy Rails 3.2 will stop getting non severe security patches when Rails 4.2 is released. Rails 3.2 will stop getting severe security patches when Rails 5 is released.

02 Sep 2013, 12:51
Navraj Ghataura (3 posts)


Thanks for your input. Going with rails4 and ruby2


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