Skip to content


Subversion checkout URL

You can clone with
Download ZIP
Browse files

Merge pull request #9178 from robertomiranda/best-standard-support-guide

Update upgrading guide with ActionDispatch::BestStandardsSupport removal [ci skip]
  • Loading branch information...
commit c16391681043a396b00741382311e5d1a24ee38c 2 parents 5efce21 + ebcb53c
@carlosantoniodasilva carlosantoniodasilva authored
Showing with 2 additions and 0 deletions.
  1. +2 −0  guides/source/
2  guides/source/
@@ -82,6 +82,8 @@ becomes
get 'こんにちは', controller: 'welcome', action: 'index'
+* Rails 4.0 has removed ActionDispatch::BestStandardsSupport middleware, !DOCTYPE html already triggers standards mode per and ChromeFrame header has been moved to `config.action_dispatch.default_headers`
### Active Support
Rails 4.0 removes the `j` alias for `ERB::Util#json_escape` since `j` is already used for `ActionView::Helpers::JavaScriptHelper#escape_javascript`.
Please sign in to comment.
Something went wrong with that request. Please try again.