SymfonyWorld Online 2021 Winter Edition December 9 – 10, 2021 100% Online 25 talks and 10 workshops

Living on the Edge

A series of posts showcasing the new features introduced by each Symfony version.

Filter by version: 6.1 6.0-5.4 5.3 5.2 5.1 5.0-4.4 4.3 4.2 4.1 4.0-3.4 3.3 3.2 3.1 3.0-2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0

New in Symfony 5.4: Misc. features (part 1)

Symfony 5.4 adds a new strict mode for assets, new options for YAML liner, some UX improvements in error pages, a new Nil ULID class and new string functions.

New in Symfony 5.4: Serializer improvements

Symfony 5.4 allows to configure the serializer globally, to use your own serializer for Messenger and to collect all denormalization errors related to PHP types.

New in Symfony 5.4: Notifier integrations

Symfony 5.4 adds new integrations for the Notifier component: sms77,, Mailjet, Telnyx, MessageMedia, Yunpian, Amazon SNS, TurboSMS and Expo Notification.

New in Symfony 5.4: Profiler improvements

In Symfony 5.4 you can enable the profiler conditionally, you can see more security-related information in the profiler and you can even preview the rendered HTML emails.

New in Symfony 5.4: Messenger Improvements

Symfony 5.4 adds the option to configure handlers with PHP attributes, adds a new way to get worker metadata, allows to reset container services between messages and allows you to handle messages in batches.

New in Symfony 5.4: DependencyInjection Improvements

Symfony 5.4 adds features such as autowiring of union and intersection types, improved TaggedIterator and TaggedLocator attributes and autoconfiguration of methods and properties.

New in Symfony 5.4: Translation Improvements

In Symfony 5.4 you can use translatable objects for form help and for translation parameters. In addition, translation messages now integrates with GitHub Actions.

New in Symfony 5.4: Language Negotiation

Symfony 5.4 adds new config options to better handle the Accept-Language HTTP header in your applications.

New in Symfony 5.4: Redesigned Profiler Logs

In Symfony 5.4 we've redesigned the logs section of the Symfony profiler to make information easier to find and understand.

New in Symfony 5.4: Filesystem Path Class

Symfony 5.4 includes a new Path class in the Filesystem component to manipulate file/dir paths in a consistent manner.