New in Symfony 6.3: Mapping Request Data to Typed Objects (Symfony Blog)

Symfony 6.3 introduces two new PHP attributes to map the incoming request data into typed objects like DTOs and validates them automatically.

New in Symfony 6.3: NoSuspiciousCharacters Constraint (Symfony Blog)

Symfony 6.3 includes a new NoSuspiciousCharacters constraint to avoid spoofing security attacks based on using characters that are different but look the same.

New in Symfony 6.3: Early Hints (Symfony Blog)

Symfony 6.3 adds support for Early Hints, which allows browsers to download assets while servers are still preparing a response. This improves perceived performance significantly.

New in Symfony 6.3: Password Strength Constraint (Symfony Blog)

Symfony 6.3 includes a password strength validator to check that the given passwords reach a certain security level based on their entropy.

New in Symfony 6.3: Enum Improvements (Symfony Blog)

Symfony 6.3 adds support for enums in expressions, config trees and route parameters.

New in Symfony 6.3: Webhook and RemoteEvent Components (Symfony Blog)

Symfony 6.3 introduces some new components to ease the creation and handling of webhooks in your applications.

New in Symfony 6.3: DX Improvements (Part 1) (Symfony Blog)

Symfony 6.3 includes DX improvements in the global app variable, the YAML component, the profiler, the cache pools and the dump functions.

New in Symfony 6.3: DX Improvements (Part 2) (Symfony Blog)

Symfony 6.3 will include DX improvements such as invisible character detection in VarDumper, improved dumping of YAML dates, build parameters in service container and streamed JSON responses.