rails-api/active_model_serializers — pull request #564 by helloenvoy (2014-05-24 06:51:15+00:00)
Title: remove fast_attributes code that may not be thread safe

Just wanted to be a good netizen and share this pull request which I believe fixes #526, for anyone who needs a thread safe version of this code until 0.9 is released. No need to merge it obviously.