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Diffstat (limited to 'guides/source/4_0_release_notes.md')
| -rw-r--r-- | guides/source/4_0_release_notes.md | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/guides/source/4_0_release_notes.md b/guides/source/4_0_release_notes.md index 01045c3dd6..52091289c9 100644 --- a/guides/source/4_0_release_notes.md +++ b/guides/source/4_0_release_notes.md @@ -12,6 +12,7 @@ Upgrading to Rails 4.0 TODO. This is a WIP guide. + If you're upgrading an existing application, it's a great idea to have good test coverage before going in. You should also first upgrade to Rails 3.2 in case you haven't and make sure your application still runs as expected before attempting an update to Rails 4.0. Then take heed of the following changes: ### Rails 4.0 requires at least Ruby 1.9.3 @@ -28,6 +29,7 @@ Rails 4.0 requires Ruby 1.9.3 or higher. Support for all of the previous Ruby ve TODO: Update the versions above. + * Rails 4.0 removes `vendor/plugins` completely. You have to replace these plugins by extracting them as gems and adding them in your Gemfile. If you choose not to make them gems, you can move them into, say, `lib/my_plugin/*` and add an appropriate initializer in `config/initializers/my_plugin.rb`. TODO: Configuration changes in environment files |