Ruby on Rails Thursday, May 4, 2017

Hi there,

I'm trying to update a ruby on rails app from 4.2 to 5.0 version.

I noticed that in rails previous versions the attribute parent_builder existed in the api (

However in more recent rails versions it no longer exits...(

What is the meaning/utility of this parent_builder attribute and how can I replace it to more recent rails versions?

Thank you in advance,
João Bordalo

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