Symfony 2.2.0

It's a wrap! Symfony 2.2.0 is now available and this is the first Symfony2 release that was driven by our new release process. First and foremost, I want to sincerely thank the Symfony community (developers, authors, bloggers, speakers, ...) who helped us on this release; everybody did a wonderful job in implementing new features, writing documentation for them, and fixing, tweaking, enhancing our existing code base.

Numbers

What can I say about this new release? As planned, Symfony 2.2.0 took 6 months and is made of 711 pull requests containing 2,035 commits and submitted by 44 developers for the code (47,191 additions and 13,512 deletions); documentation enjoyed 1,312 commits by 41 authors (13,038 additions and 3,336 deletions).

2,035 commits on a 6 month period means that, on average, 11 commits were pushed every single day. 711 pull requests means 4 pull requests merged per day.

Features

Numbers are not that interesting when it comes to upgrading, so what about the new features and the major changes? I won't list them all as most of them were discussed on this blog during the last few months:

Symfony 2.2 also comes with two new components that were extracted from existing code:

Documentation

The documentation team has been hard at work and all the new features and changes are already documented in the official documentation. It also comes with some nice new cookbooks and chapters.

Upgrading

Upgrading from 2.1 to 2.2 should be relatively easy as reported by many developers on the mailing-lists and on Twitter.

The first step is to update your composer.json file and run composer.phar update:

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diff --git a/composer.json b/composer.json
index 8f905d7..c2d7588 100644
--- a/composer.json
+++ b/composer.json
@@ -6,18 +6,18 @@
     },
     "require": {
         "php": ">=5.3.3",
-        "symfony/symfony": "2.1.*",
-        "doctrine/orm": ">=2.2.3,<2.4-dev",
-        "doctrine/doctrine-bundle": "1.0.*",
+        "symfony/symfony": "2.2.*",
+        "doctrine/orm": "~2.2,>=2.2.3",
+        "doctrine/doctrine-bundle": "1.2.*",
         "twig/extensions": "1.0.*",
         "symfony/assetic-bundle": "2.1.*",
-        "symfony/swiftmailer-bundle": "2.1.*",
-        "symfony/monolog-bundle": "2.1.*",
-        "sensio/distribution-bundle": "2.1.*",
-        "sensio/framework-extra-bundle": "2.1.*",
-        "sensio/generator-bundle": "2.1.*",
-        "jms/security-extra-bundle": "1.2.*",
-        "jms/di-extra-bundle": "1.1.*"
+        "symfony/swiftmailer-bundle": "2.2.*",
+        "symfony/monolog-bundle": "2.2.*",
+        "sensio/distribution-bundle": "2.2.*",
+        "sensio/framework-extra-bundle": "2.2.*",
+        "sensio/generator-bundle": "2.2.*",
+        "jms/security-extra-bundle": "1.4.*",
+        "jms/di-extra-bundle": "1.3.*"
     },
     "scripts": {
         "post-install-cmd": [
@@ -36,9 +36,12 @@
     "config": {
         "bin-dir": "bin"
     },
-    "minimum-stability": "dev",
+    "minimum-stability": "alpha",
     "extra": {
         "symfony-app-dir": "app",
-        "symfony-web-dir": "web"
+        "symfony-web-dir": "web",
+        "branch-alias": {
+            "dev-master": "2.2-dev"
+        }
     }
 }

Then, read the UPGRADE document carefully and do whatever is explained there (you might also need to read the UPGRADE instructions for the Symfony Standard Edition).

Optionally, you can also make changes that will make your application more compatible with Symfony 3.0.

Installing

If you are starting a new project on Symfony 2.2, based on the full-stack framework, you have several options:

  • Create a new project via Composer (recommended):

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    $ php composer.phar create-project symfony/framework-standard-edition somewhere/ 2.2.0``
    
  • Download an archive for the Symfony Standard Edition;

If you are using some of the Symfony components in your new application, just use the 2.2.0 version or the 2.2 branch:

What's next?

So, what's next? According to our release process, Symfony 2.3 will be released at the end of May 2013 and it will be the first long term support release. That's also the version that is going to be used by Drupal 8 and Laravel 4 to name just a couple of Open-Source projects that rely on the Symfony Components.

Thank you for your continued support and happy Symfony!

Comments

Best Regards Fabien, huge amount of work and inventions you've made !!!!
Great work, everyone - thanks!

Two things;

* "minimum-stability": "alpha", seriously?
* The Github download link template refers to the BETA1 files.
The requested package doctrine/doctrine-bundle 1.2.* could not be found.


Why got this error?
@Roland because doctrine-bundle 1.2 has not been released as stable yet (I will do it this evening). This is the reason for "minimum-stability": "alpha" currently.
@Stof So 2.2.1 will be released tomorrow with a different minimum-stability flag?
Congrats for releasing on time :-) and thanks to all involved!
Great news!

I just visited the download page, prepared to skim through it to find the Composer command for 2.2 but found it presented as the canonical release. This news article confirmed it. :)
There is a typo in the Features part: "HttKernel" :-)
Thank you for this promising new version!
Amazing!! thanks for everything, best regards
Really a great job! Looking forward to using the new features.
Congratz!
Well done everyone!
I love this kind of news :D

Thans all symfonysts
Great work, everyone!
Awesome! I already upgraded my project. Works like a charm. Thanks to the development team for all the amazing work that makes my life(and tons of there people's, too) as a developer better!
Great job!

Something many people won't know, so I tell them:

Also new in Symfony2.2: generate:controller action in SensioGeneratorBundle! Read the docs for more information: http://symfony.com/doc/current/bundles/SensioGeneratorBundle/commands/generate_controller.html
Great news!

Merci Fabien!
Good news and wonderful job everyone!
Nice, Symfony 2.2 has been released! Congratulations to the team and also the whole community :)
Great work everyone!
Many thanks for this release. We were waiting since today and now we are ready to build a new project from a scratch using Symfony. You've made a day!
Wonderfull Fabien and team!!!
I've been playing around with synonymy and I have to say it's the best framework I've come across. Great news having version 2.2 released!
Good job !!! :)
now we are looking forward to version 2.3 excellent, I am sure a lot of us would want to pour a lot of effort for 2.3 since we will be using it for a long time
Great work, congratulations to all
tnx, Fabien.
Thanks a lot to all the dev. That's a lot of work !
Great news, thank you! Will be giving this a road-test as soon as I can!
Brilliant - great work everyone!
Why not use minimum-stability: 'alpha' and not 'stable'. You can require unstable packages with "@dev", "@alpha", ...?

Would be much better to identify volatile packages and default stability of a stable release shouldn't be alpha imho. Or am I missing something?
remove first "not" :-) -> Why use [...] alpha and not stable
Thank you for all commoters!
When "stable" for "minimum stability" will be available?
Really should consider amending your release process to state that minimum-stability must be stable. In 2.1.0 - 2.1.3 it was set to dev which caused a number of issues. It was sort of slipped into 2.1.4. And now it looks like we may have the same issues in 2.2.x.

It's great that you met the deadline but stable releases really should be stable.
Awesome!
Just in time. I upgraded my new project ))
Thanks!
that's perfect

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