Starting with Ruby 1.9.x, Rails 3, and/or Merb

I need to spend some serious time reading about changes in Ruby 1.9.1 and upcoming Rails 3/Merb. Can people suggest any articles to read?

Not really looking for one answer, just kinda looking for a compilation of resources people are using to keep up with what's coming and what currently exists, so if you stop by, let me know what you're looking at. Thanks!

Solution

Rails3 is moving really fast. Updates from books or blog entry is not sufficient enough to keep up with the changes that is happening in Rails3. So I would suggest follow Rails in Github instead, although it might seem scary but I found it much more effective.

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