opscode/chef — pull request #438 by danielsdeleo (2012-10-19 15:49:54+00:00)
Title: [CHEF-1804] Add deprecation notice to 10.x tree for implicit set

This will trigger a warning when using code like node["foo"] = "value"

Warnings can be deactivated by setting
Chef::Config[:chef11_deprecation_warnings] to false