Language

• Expressions
• Functions
• Objects
• Types

Operators

• Nullsafe Operator

Attributes

• Attributes

Classes

Constructors

• Constructor Property Promotion

Return types

• Static Return Type

Literals

• Class Name Literal

Interfaces

• Stringable Interface

Maps

• Weap Maps

Errors

• Throw Expression
• PHP Non-capturing Catches

Parameters

• Named Arguments
• Trailing Comma in Parameter Lists

Frameworks

• Symfony

ORM

• Doctrine

Changelog

• PHP 8.0

Handy libraries

• ramsey/uuid¹

Footnotes