laravel-since Laravel の API はいつから？

ObservedBy

Illuminate\Database\Eloquent\Attributes\ObservedBy

class src/Illuminate/Database/Eloquent/Attributes/ObservedBy.php

__construct

v11.0.0 以前から 

__construct(array|string $classes)
@param array|string $classes
  1. v11.0.0 追加
    変更後
    __construct(array|string $classes) [@param array|string $classes, @return void]
  2. v12.4.0 シグネチャ変更
    変更前
    __construct(array|string $classes) [@param array|string $classes, @return void]
    変更後
    __construct(array|string $classes) [@param array|string $classes]