How to update your project?

This document explains how to upgrade from one Symfony2 PR version to the next one. It only discusses changes that need to be done when using the "public" API of the framework. If you "hack" the core, you should probably follow the timeline closely anyway.

PR11 to PR12

AsseticBundle's XML bundle node has been normalized to match other similar nodes

Before:
```
  <bundle name="MyBundle" />
```
After:
```
  <bundle>MyBundle</bundle>
```

PR10 to PR11

Extension configuration classes should now implement the Symfony\Component\Config\Definition\ConfigurationInterface interface. Note that the BC is kept but implementing this interface in your extensions will allow for further developments.
The "fingerscrossed" Monolog option has been renamed to "fingers_crossed".

PR9 to PR10

Bundle logical names earned back their Bundle suffix:

Controllers: Blog:Post:show -> BlogBundle:Post:show

Templates: Blog:Post:show.html.twig -> BlogBundle:Post:show.html.twig

Resources: @Blog/Resources/config/blog.xml -> @BlogBundle/Resources/config/blog.xml

Doctrine: $em->find('Blog:Post', $id) -> $em->find('BlogBundle:Post', $id)
ZendBundle has been replaced by MonologBundle. Have a look at the changes made to Symfony SE to see how to upgrade your projects: https://github.com/symfony/symfony-standard/pull/30/files
Almost all core bundles parameters have been removed. You should use the settings exposed by the bundle extension configuration instead.
Some core bundles service names changed for better consistency.
Namespace for validators has changed from validation to assert (it was announced for PR9 but it was not the case then):

Before:
```
  @validation:NotNull
```
After:
```
  @assert:NotNull
```
Moreover, the Assert prefix used for some constraints has been removed (AssertTrue to True).
ApplicationTester::getDisplay() and CommandTester::getDisplay() method now return the command exit code

PR8 to PR9

Symfony\Bundle\FrameworkBundle\Util\Filesystem has been moved to Symfony\Component\HttpKernel\Util\Filesystem
The Execute constraint has been renamed to Callback

The HTTP exceptions classes signatures have changed:

Before:

  throw new NotFoundHttpException('Not Found', $message, 0, $e);

After:

  throw new NotFoundHttpException($message, $e);

The RequestMatcher class does not add ^ and $ anymore to regexp.

You need to update your security configuration accordingly for instance:

Before:
```
  pattern:  /_profiler.*
  pattern:  /login
```
After:
```
  pattern:  ^/_profiler
  pattern:  ^/login$
```

Global templates under app/ moved to a new location (old directory did not work anyway):

Before:

  app/views/base.html.twig
  app/views/AcmeDemoBundle/base.html.twig

After:

  app/Resources/views/base.html.twig
  app/Resources/AcmeDemo/views/base.html.twig

Bundle logical names lose their Bundle suffix:

Controllers: BlogBundle:Post:show -> Blog:Post:show

Templates: BlogBundle:Post:show.html.twig -> Blog:Post:show.html.twig

Resources: @BlogBundle/Resources/config/blog.xml -> @Blog/Resources/config/blog.xml

Doctrine: $em->find('BlogBundle:Post', $id) -> $em->find('Blog:Post', $id)
Assetic filters must be now explicitly loaded:

assetic: filters: cssrewrite: ~ yui_css: jar: "/path/to/yuicompressor.jar" my_filter: resource: "%kernel.root_dir%/config/my_filter.xml" foo: bar

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