---
id: 0fa9519c-885d-4930-8508-a4b61cdf2be9
title: Symfony 5.2
---

# Dependency Injection

## Attributes

-   [Required](20201117111757-required)

# Components

## Console

-   [True Console Colours](20201117100855-true_console_colours)
-   [Console Signals](20201117114930-console_signals)

### Events

-   [ConsoleEvents::SIGNAL](20201117115146-consoleevents_signal)

## Mailer

-   [DKIM Email
    Authentication](20201117104659-dkim_email_authentication)

## RateLimiter

-   [RateLimiter
    Component](20201117113404-symfony_ratelimiter_component)

# Constraints

-   [Define Constraints as
    Attributes](20201117112727-define_constraints_as_attributes)

## ULID

-   [ULID Constraint](20201117104332-ulid_constraint)

# Controller

## Controller Attributes

-   [Controller Argument
    Attributes](20201117102440-symfony_controller_argument_attributes)
-   [CurrentUser](20201117102746-currentuser)

## Configuration

-   [Front Controller
    Configuration](20201117114443-front_controller_configuration)

# Doctrine

-   [UUID / ULID Types](20201117101452-uuid_ulid_types)

# Forms

-   [Callback Functions To Get/Set Form
    Fields](20201117103506-callback_functions_to_get_set_form_fields)

# Il8n

-   [Pseudo-localization
    Translator](20201117100112-pseudo_localization_translator)

# Routing

## Routing Attributes

-   [Symfony Routing
    Attributes](20201117105314-symfony_routing_attributes)
-   [Route](20201117105045-rout)

# Serialization

-   [UUID Normalizer](20201117103957-uuid_normalizer)

# Security

-   [Login Throttling](20201117114036-login_throttling)