Symfony 5.1

Constraints

• AtLeastOneOf Constraint
• Compound Constraint
• ExpressionLanguageSyntax Constraint
• Hostname Constraint
• Sequentially Constraint

Deprecations

Security Deprecations

Attributes

• ROLE_PREVIOUS_ADMIN

Routing

Routing Annotations

• Route Annotations Priority
• Stateless Route Attribute
• Use Env Vars in Route Conditions

Configuration

• Different Hosts Per Locale

Security

Security Attributes

• IS_IMPERSONATOR
• IS_REMEMBERED

Components

Console

• Single Command Applications
• Console Cursor Control

Exit codes

• Command::SUCCESS
• Command::ERROR

Contract

• trigger_depcreation

ExpressionLangauge

• Expression Linter

Filesystem

• tempnam()

OptionsResolver

• define()
• info() / setInfo()

Security Components

• priority

Serializer

Annotations

• @Ignore

String

• Stringable Interface
• Keep last word

Methods

• containsAny()
• fromRandom()
• reverse()

UUID

• Symfony UUID Component

Services

Decorators

• Stack Decorators
• Simpler Service Decoration

Deprecation

• Deprecate Public Services Into Private Services

Events

• LogoutEvent

Commands

• lint:yaml