laravel-since Laravel の API はいつから？

Channel

Illuminate\Broadcasting\Channel

class src/Illuminate/Broadcasting/Channel.php

__construct

v11.0.0 以前から 

__construct($name)
@param \Illuminate\Contracts\Broadcasting\HasBroadcastChannel|string $name
  1. v11.0.0 追加
    変更後
    __construct($name) [@param \Illuminate\Contracts\Broadcasting\HasBroadcastChannel|string $name, @return void]
  2. v12.4.0 シグネチャ変更
    変更前
    __construct($name) [@param \Illuminate\Contracts\Broadcasting\HasBroadcastChannel|string $name, @return void]
    変更後
    __construct($name) [@param \Illuminate\Contracts\Broadcasting\HasBroadcastChannel|string $name]

__toString

v11.0.0 以前から 

__toString()
@return string
  1. v11.0.0 追加
    変更後
    __toString() [@return string]