Symfony 2.6.0-BETA1 released

What's new in Symfony 2.6

Symfony 2.6 comes with more than 100 new features and enhancements. The full changelog from 2.5 to 2.6 BETA 1 is available on the repository, but here is a curated list of the most relevant ones:

Debugging improvements

• new VarDumper Component and DebugBundle (jpauli, nicolas-grekas, ruian, moux2003, tony-co, romainneutron, oscherler, lyrixx) (10640)
• error handler in production (nicolas-grekas) (12081)
• generic ErrorHandler (nicolas-grekas) (10921)
• added an action to show error pages in kernel.debug mode (mpdude) (12096)
• enhanced error messages for uncaught exceptions (nicolas-grekas) (11034)
• container:debug: list services if no service match exactly the name argument (agallou) (11339)
• added link to the output of debug function (lyrixx) (12036)
• improved debug:event-dispatcher (matthieuauger) (10388)
• removed the scope from the output of the container:debug command (xabbuh) (11317)
• added some file link format handling (nicolas-grekas) (12045)

Form improvements

• Twitter Bootstrap form theme (lyrixx) (10272)
• trace of form errors in the profiler (webmozart) (12054)
• added "label_format" option (webmozart) (12050)
• added Doctrine entity manager instance support for em option (egeloen) (12251)
• choice children can be template customized like collection (adrienbrault) (9033)
• add allow_html5 option to date and time FormType to disable HTML5 input type (csanquer) (8291)
• improve transformation failure message by providing property path (jubianchi) (11318)
• add allow_extra_fields option on forms (felds) (8133)

Validation improvements

• added date support to comparison constraints and Range (webmozart) (11673)
• expression validator now processes null values (tommygnr) (11709)
• added error codes to all constraints with multiple error causes (webmozart) (12021)
• made it possible to store the cause of a constraint violation (webmozart) (12052)
• added "payload" option to all constraints for attaching domain-specific data (webmozart) (12005)
• added ConstraintViolation::getConstraint() (webmozart) (11657)
• support "maxSize" given in KiB (Jérémy Derussé) (11027)
• disallowed empty file in FileValidator (megazoll) (11125)

Better extensibility/reusability improvements

• Expression language extensibility (fabpot) (12006)
• moved cache to Translation component (11373) (aitboudad, OwlyCode)
• made it possible to override the default success/failure handler (fabpot) (11993)
• allowed overloading ContextListener::refreshUser() (lstrojny) (10792)
• extracted method to instantiate controller in ControllerResolver (danharper) (12022)
• split of the SecurityContext (iltar) (11690)

Enhancements of existing features

• handled circular references in the Serializer (dunglas) (12098)
• made the stopwatch service always available (xabbuh) (11549)
• exposed configuration of PropertyAccess (lyrixx) (11731)
• added support for slicing nodes in Dom Crawler (Berat Doğan, beratdogan) (10699)
• added compare method to CSS selector specificity (barryvdh) (11404)
• added retrieval of Timer sections (umpirsky) (10851)
• MongoDbSessionHandler supports auto expiry via configurable expiry_field (catchamonkey) (11668)
• ResponseHeaderBag::clearCookie now accepts secure/httpOnly (adrienbrault) (11173)
• added a switch to delete file after the response is send (WybrenKoelmans) (11212)
• add support for streams as Process input (romainneutron) (10934)
• added support for object-maps in YAML (polyfractal, nicolas-grekas) (10552)
• added a way to match a specific scheme in RequestMatcher #10556 (ProPheT777) (10667)
• enhanced PdoSessionHandler (Tobion) (10931)
• added ParameterBag::getBoolean (peterjmit) (11086)
• throw Exception on copying from an unreadable file or to an unwritable file (djotto) (10960)
• added support for encoding and decoding namespaced xml (xmlns) (11375) (mattvick)
• added support for skipping commands from ConsoleCommandEvent (tPl0ch) (9235)
• added some methods to improve the handling of auto_mapping feature (goetas) (11815)
• provide a compiler pass for doctrine to register namespace aliases (dbu) (10853)

Translation improvements

• added LoggingTranslator (aitboudad) (10887)
• moved cache to Translation component (11373) (aitboudad, OwlyCode)
• enabled translation:update for app folder (rdohms) (11254)
• added target-language (aitboudad, ClementGautier) (11371)
• added support for (Jérémy Derussé) (10939)
• added method to expose collected message (Grygir) (9859)

DX improvements

• added shortcut methods to controllers (Cydonia7) (11593)
• added error helpers (i3or1s) (11324)
• added a new service to simplify password encoding (aferrandini) (11306)
• added an AbstractVoter implementation (Inoryy) (11183)
• made assets:install smarter with symlinks (Roy Van Ginneken) (11312)
• made assets-install --relative equivalent to --symlink --relative (fabpot) (12123)
• added a new syntax to define DI factories as callables (realityking, fabpot) (12008)
• added additional helper commands to control PHP's built-in web server (xabbuh) (11311)
• ProgressBar developer experience (stefanosala, gido) (11346)
• added Controller::isCsrfTokenValid (lyrixx) (11602)
• added simple placeholders into search form (stloyd) (10660)
• made return value similar to error.json.twig (clemens-tolboom) (11078)
• added value of DateTime object to ValueExporter (scuben) (11070)

Various new features

• AJAX requests in the symfony profiler toolbar (Burgov, fabpot, stof) (12000)
• SSI support (KingCrunch) (10702)
• added a Process helper (fabpot, romainneutron) (10627)
• PropertyNormalizer: a new normalizer that maps an object's properties to an array (mnapoli) (9708)
• added a REMOTE_USER based listener to security firewalls (Maxime Douailin) (10698)
• added a LockHandler (lyrixx) (10475)
• ensured whole number floats have their data type is persisted. (Alex Pott) (11976)
• added acl:set command (dunglas) (9990)

Testing 2.6

You can test, hack, and play with Symfony 2.6 code in many different ways:

• Create a new project via Composer (recommended):

1

$ php composer.phar create-project symfony/framework-standard-edition somewhere/ 2.6.0-BETA1

• Download the whole framework or the Standard Edition via GitHub
• Download individual components via Github: https://github.com/symfony/{COMPONENT_NAME}/archive/v2.6.0-BETA1.zip