Symfony 5.3.0-BETA3 has just been released. Here is a list of the most
important changes:

feature #40947 [Translation] Added Crowdin Translation Provider (@andrii-bodnar)
bug #41132 [Runtime] don’t display the shebang on the CLI (@nicolas-grekas)
bug #41113 [Console] Fix Windows code page support (@orkan)
bug #40902 [Security] Allow ips parameter in acces _control to accept comma-separated string (@edefimov)
bug #40980 [TwigBridge] Fix HTML for translatable custom-file label in Bootstrap 4 theme (@acran)
bug #40955 [Notifier] [Bridge] Fix missed messageId for SendMessage object in slack notifier (@WaylandAce)
bug #40943 [PropertyInfo] PhpDocExtractor: Handle “true” and “false” property types (@Maciej Zgadzaj)
bug #40759 [Form] Add missing TranslatableMessage support to choic _label option of ChoiceType (@alexandre-daubois)
bug #40917 [Config][DependencyInjection] Uniformize trailing slash handling (@dunglas)
bug #40699 [PropertyInfo] Make ReflectionExtractor correctly extract nullability (@shiftby)
bug #40874 [PropertyInfo] fix attribute namespace with recursive traits (@soullivaneuh)
bug #40957 [PhpUnitBridge] Fix tests with @doesNotPerformAssertions annotations (@alexpott)
bug #41099 [Cache] Check if phpredis version is compatible with stream parameter (@nicolassing)
bug #40982 [Notifier] Fix return SentMessage then Messenger not used (@WaylandAce)
bug #40972 Avoid regenerating the remember me token if it is still fresh (@Seldaek)
bug #41072 [VarExporter] Add support of PHP enumerations (@alexandre-daubois)
feature #40992 [Notifier] Add SlackOptions::threadTs() to send message as reply (@WaylandAce)
bug #41104 Fix return type in isAllowedProperty method on ReflectionExtractor class (@Tomanhez)
bug #41078 [Notifier] Make FailoverTransport always pick the first transport (@jschaedl)
feature #39157 [TwigBridge] Add form templates for Bootstrap 5 (@ker0x)
bug #41022 [PasswordHasher] Improved BC layer (@derrabus)
bug #41105 [Inflector][String] Fixed singularize edges > edge (@ruudk)
bug #41075 [ErrorHandler] Skip “same vendor” @method deprecations for Symfonyclasses unless symfony/symfony is being tested (@nicolas-grekas)
bug #41096 Make Serializable implementation internal and final (@derrabus)
bug #40994 [Config] More accurate message on invalid config builder (@a-menshchikov)
bug #40767 [Routing] Fix localized paths (@l-vo)

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