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Editorial Team
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Asked: 2026-05-25T15:39:26+00:00

I’m working on upgrading a Rails 2.3.11, Ruby 1.9.2 app to Rails 3.0.10, and

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I’m working on upgrading a Rails 2.3.11, Ruby 1.9.2 app to Rails 3.0.10, and attachment_fu no longer works.

I’m looking at changing to paperclip, carrierwave, or dragonfly for file uploads, or maybe a Rails 3 compatible, maintained version of attachment_fu.

Which of these options would be the best to use in terms of performance, how well maintained it is, how easy it is to upgrade from attachment_fu, and maybe is it going to be Rails 3.1 compatible? What are the major strengths and disadvantages of each one?

Any insight would be appreciated.

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  1. Editorial Team

    I’ve used both Paperclip and Carrierwave, and if I were you, I’d go for Carrierwave.
    It’s a lot more flexible. I also love the fact that it doesnt clutter your models with configuration. You can define uploader classes instead. It allows you to easily reuse, extend etc your upload configuration.

    Did you watch the Carrierwave railscast? http://railscasts.com/episodes/253-carrierwave-file-uploads

    Paperclip is not a bad choice though, it’s been the “best” choice for a long time. But Carrierwave definitely seems like the new generation 😉

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