Downgrading a Rails 3 App to Rails 2
问题 I've run into a problem today. I've spent the past couple of months building a fairly intensive Rails 3 App that uses all the latest versions of every gem I need. I've just been informed that I can't use anything new. I'll be adding my project in with a bunch of others which use older versions of everything. We can't upgrade the existing, we can only downgrade mine. With that said, I need to downgrade pretty much everything I've done. Here's a list of what I'm using currently (via gem list ):