deprecated autowiring services based on the types they implement;
rename (or alias) your services to their FQCN id to make them autowirable
added "ServiceSubscriberInterface" - to allow for per-class explicit service-locator definitions
added "container.service_locator" tag for defining service-locator services
added anonymous services support in YAML configuration files using the !service tag.
added "TypedReference" and "ServiceClosureArgument" for creating service-locator services
added ServiceLocator - a PSR-11 container holding a set of services to be lazily loaded
added "instanceof" section for local interface-defined configs
added prototype services for PSR4-based discovery and registration
added ContainerBuilder::getReflectionClass() for retrieving and tracking reflection class info
deprecated ContainerBuilder::getClassResource(), use ContainerBuilder::getReflectionClass() or ContainerBuilder::addObjectResource() instead
added ContainerBuilder::fileExists() for checking and tracking file or directory existence
deprecated autowiring-types, use aliases instead
added support for omitting the factory class name in a service definition if the definition class is set
deprecated case insensitivity of service identifiers
added "iterator" argument type for lazy iteration over a set of values and services
added file-wide configurable defaults for service attributes "public", "tags",
"autowire" and "autoconfigure"
made the "class" attribute optional, using the "id" as fallback
using the PhpDumper with an uncompiled ContainerBuilder is deprecated and
will not be supported anymore in 4.0
deprecated the DefinitionDecorator class in favor of ChildDefinition
allow config files to be loaded using a glob pattern
[BC BREAK] the NullDumper class is now final
3.2.0
allowed to prioritize compiler passes by introducing a third argument to PassConfig::addPass(), to Compiler::addPass and to ContainerBuilder::addCompilerPass()
added support for PHP constants in YAML configuration files
deprecated the ability to set or unset a private service with the Container::set() method
deprecated the ability to check for the existence of a private service with the Container::has() method
deprecated the ability to request a private service with the Container::get() method
deprecated support for generating a dumped Container without populating the method map
3.0.0
removed all deprecated codes from 2.x versions
2.8.0
deprecated the abstract ContainerAware class in favor of ContainerAwareTrait
deprecated IntrospectableContainerInterface, to be merged with ContainerInterface in 3.0
allowed specifying a directory to recursively load all configuration files it contains
deprecated the concept of scopes
added Definition::setShared() and Definition::isShared()
added ResettableContainerInterface to be able to reset the container to release memory on shutdown
added a way to define the priority of service decoration
added support for service autowiring
2.7.0
deprecated synchronized services
2.6.0
added new factory syntax and deprecated the old one
2.5.0
added DecoratorServicePass and a way to override a service definition (Definition::setDecoratedService())
deprecated SimpleXMLElement class.
2.4.0
added support for expressions in service definitions
added ContainerAwareTrait to add default container aware behavior to a class
2.2.0
added Extension::isConfigEnabled() to ease working with enableable configurations
added an Extension base class with sensible defaults to be used in conjunction
with the Config component.
added PrependExtensionInterface (to be able to allow extensions to prepend
application configuration settings for any Bundle)
2.1.0
added IntrospectableContainerInterface (to be able to check if a service
has been initialized or not)
added ConfigurationExtensionInterface
added Definition::clearTag()
component exceptions that inherit base SPL classes are now used exclusively
(this includes dumped containers)
[BC BREAK] fixed unescaping of class arguments, method
ParameterBag::unescapeValue() was made public
