- • Typed Properties
- • FFI
- • Preloading
- • Variance Checking for Arguments/Return Types
- • Null Coalesce Assignment (??=)
- • Spread Operator:
- • Hash Extension always available
- • New Custom Serialisation
- • Weak References
- • Short Arrow Functions: $arrow = fn($x) => $x + $y;
- • Numerical Literal Separator: 3.141_592_653_589_793_238_462_643_383
