v0.6.2

Thanks to @josephsavona, we now have support for an additional prepareParams property on routes. Similarly to prepareVariables on a Relay container, prepareParams allows you to modify the params used for the Relay route. For example, you can use prepareParams to convert URL and query parameters from strings, and to initialize missing params with default values.

We've also bumped the React dependency from v0.14.0-rc1 to the final v0.14.0 release.