7 * allowed to prioritize compiler passes by introducing a third argument to `PassConfig::addPass()`, to `Compiler::addPass` and to `ContainerBuilder::addCompilerPass()`
8 * added support for PHP constants in YAML configuration files
9 * deprecated the ability to set or unset a private service with the `Container::set()` method
10 * deprecated the ability to check for the existence of a private service with the `Container::has()` method
11 * deprecated the ability to request a private service with the `Container::get()` method
12 * deprecated support for generating a dumped `Container` without populating the method map
17 * removed all deprecated codes from 2.x versions
22 * deprecated the abstract ContainerAware class in favor of ContainerAwareTrait
23 * deprecated IntrospectableContainerInterface, to be merged with ContainerInterface in 3.0
24 * allowed specifying a directory to recursively load all configuration files it contains
25 * deprecated the concept of scopes
26 * added `Definition::setShared()` and `Definition::isShared()`
27 * added ResettableContainerInterface to be able to reset the container to release memory on shutdown
28 * added a way to define the priority of service decoration
29 * added support for service autowiring
34 * deprecated synchronized services
39 * added new factory syntax and deprecated the old one
44 * added DecoratorServicePass and a way to override a service definition (Definition::setDecoratedService())
45 * deprecated SimpleXMLElement class.
50 * added support for expressions in service definitions
51 * added ContainerAwareTrait to add default container aware behavior to a class
56 * added Extension::isConfigEnabled() to ease working with enableable configurations
57 * added an Extension base class with sensible defaults to be used in conjunction
58 with the Config component.
59 * added PrependExtensionInterface (to be able to allow extensions to prepend
60 application configuration settings for any Bundle)
65 * added IntrospectableContainerInterface (to be able to check if a service
66 has been initialized or not)
67 * added ConfigurationExtensionInterface
68 * added Definition::clearTag()
69 * component exceptions that inherit base SPL classes are now used exclusively
70 (this includes dumped containers)
71 * [BC BREAK] fixed unescaping of class arguments, method
72 ParameterBag::unescapeValue() was made public