rubygems - How will rails 4 affect my current application? -

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i new rails , upgrade rails 4. @ same time have been working on small beta rails 3.2 past year....

if upgrade current app affected or mess up. want upgrade don't want current beta encounter problems.

how upgrading rails 4 affect current application.

breaking news: released new free rails cast upgrading rails4. http://railscasts.com/episodes/415-upgrading-to-rails-4

a tip. can use gem check how compatible environment rails4. https://github.com/alindeman/rails4_upgrade


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