This is quite interesting. I've worked on a number of legacy apps that have been using old versions of Rails, and were a pain to upgrade to the latest version of even just Rails 2. They were so big that upgrading to Rails 3 would've required a full rewrite no doubt.
My thoughts exactly. Even for people willing to move to Rails 3 at some point, but having issues finding the time because of many apps to migrate, it can still be useful as a temporary solution.
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[ 3.7 ms ] story [ 28.0 ms ] threadThere is a general question about how to keep up with the release pace, when you have many apps to support.
As a freelance doing Rails since 2005, I can tell many environments have a hard time keeping up with that pace.
This definitely has a market, great job!