Rails 3: The land of undocumented regressions

Coming from Rails 2 land?  Upgrading? Do you serialize any objects in ActiveRecord models?  

If it’s doesn’t act like a Date or a Time, and isn’t a Hash or an Array, you’re fucked.  That’s right.  AREL (the new cool kid) will only serialize those object types.

A fact which is mentioned in exactly one place, the code itself.

Thanks, Rails 3, thanks a fucking lot.


At least it was an actual bug, and it’s fixed now.



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