And check out the guide for upgrading Rails...<p><a href="http:&#x2F;&#x2F;edgeguides.rubyonrails.org&#x2F;upgrading_ruby_on_rails.html" rel="nofollow">http:&#x2F;&#x2F;edgeguides.rubyonrails.org&#x2F;upgrading_ruby_on_rails.ht...</a>