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| author | Trevor Turk <trevorturk@gmail.com> | 2013-02-28 14:02:56 -0600 |
|---|---|---|
| committer | Trevor Turk <trevorturk@gmail.com> | 2013-02-28 14:02:56 -0600 |
| commit | 43ab0158fbcafb13fa25d3a06dd53f7b7a92f196 (patch) | |
| tree | 4dd38e83b127696bb7c4fb98e5f648f158588b7d /guides/source/upgrading_ruby_on_rails.md | |
| parent | dc53fe92404910a83cfc056d126f45772dfa58fe (diff) | |
| download | rails-43ab0158fbcafb13fa25d3a06dd53f7b7a92f196.tar.gz rails-43ab0158fbcafb13fa25d3a06dd53f7b7a92f196.tar.bz2 rails-43ab0158fbcafb13fa25d3a06dd53f7b7a92f196.zip | |
Document introduction of the ActionController::UnknownFormat exception
Diffstat (limited to 'guides/source/upgrading_ruby_on_rails.md')
| -rw-r--r-- | guides/source/upgrading_ruby_on_rails.md | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/guides/source/upgrading_ruby_on_rails.md b/guides/source/upgrading_ruby_on_rails.md index 52f5232efc..d378d51c2a 100644 --- a/guides/source/upgrading_ruby_on_rails.md +++ b/guides/source/upgrading_ruby_on_rails.md @@ -101,6 +101,8 @@ Also check your environment settings for `config.action_dispatch.best_standards_ * In Rails 4.0, precompiling assets no longer automatically copies non-JS/CSS assets from `vendor/assets` and `lib/assets`. Rails application and engine developers should put these assets in `app/assets` or configure `config.assets.precompile`. +* In Rails 4.0, a rescuable exception `ActionController::UnknownFormat` is raised when Rails doesn't know what to do with the request format, rather than responding with a head :not_acceptable (406). + ### 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`. |