RELEASE_NOTES.md

This file holds "in progress" release notes for the current release under development and is intended for consumption by the Chef Documentation team. Please see https://docs.chef.io/release/<major>-<minor>/release_notes.html for the official Chef release notes.

Chef Client Release Notes 12.9:

Possible Compat Break with use_inline_resources and non-LWRPBase library providers

The correct pattern for LWRPBase-style library providers looks something like:

class MyProvider < Chef::Provider::LWRPBase
  use_inline_resources

  action :stuff do
    file "/tmp/whatever.txt"
  end
end

Starting in 12.5 the use_inline_resources directive was mixed into Chef::Provider directly and had the side effect of mixing in the DSL. After 12.5 it would have worked to write code like this:

class MyProvider < Chef::Provider
  use_inline_resources

  action :stuff do
    file "/tmp/whatever.txt"
  end
end

But that code would be broken (with a hard syntax error on use_inline_resources on prior versions of chef-client). After 12.9 that code will now be broken again on the use of the Recipe DSL which has been removed from Chef::Provider when mixing use_inline_resources into classes that only inherit from the core class. If any code has been written like this, it should be modified to correctly inherit from Chef::Provider::LWRPBase instead (which will have the side effect of fixing it so that it correctly works on Chef 11.0-12.5 as well).