ActionDispatch Response #headers= attribute headers= Ruby on Rails 4.1.16 Since v3.0.20 Last seen in v4.2.9 Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 Compare with: (choosing a version navigates to the comparison) Choose a version v3.0.20 · changed v3.1.12 · changed v3.2.22.5 · changed v4.0.13 · changed v4.2.9 · same Get and set headers for this response. On this page Support Bug Reports can be filed for the Ruby on Rails project on GitHub. Feature requests should be discussed on the rubyonrails-core forum. License Released under the MIT license.